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import { defineStore } from "pinia";
import {
ApiError,
createBrowserSessionRelay,
createApiClient,
createIdentityApi,
secureRandomUUID,
SessionCoordinationUnavailableError,
withBrowserSessionLock,
type AuthTokens,
type LoginInput,
type UnauthorizedRequestContext,
type UserProfile,
} from "@plain-journal/foundation";
import { configureAuthenticatedSession } from "../shared/api";
const LEGACY_REFRESH_TOKEN_KEY = "plain-journal:staff-refresh-token:v1";
const SESSION_RECORD_KEY = "plain-journal:staff-session:v2";
const SESSION_LOCK_NAME = "plain-journal:staff-session";
const SESSION_RELAY_NAME = "plain-journal:staff-session:rotation";
const apiBaseUrl = import.meta.env.VITE_API_BASE_URL?.trim() ?? "";
const WORKSPACE_ROLES = new Set(["ADMIN", "OPERATOR", "WAREHOUSE"]);
interface PersistedSession {
authority: string;
refreshToken: string;
}
interface SessionRotationMessage {
type: "rotation-completed";
authority: string;
previousRefreshToken: string;
tokens: AuthTokens;
profile: UserProfile;
}
export type StaffSessionRecoveryState =
| "idle"
| "refreshing"
| "outcome-unknown"
| "reauth-required";
export function hasWorkspaceRole(roles: string[]): boolean {
return roles.some((role) => WORKSPACE_ROLES.has(role));
}
export function hasAnyRole(roles: string[], required: string[]): boolean {
return required.length === 0 || roles.some((role) => required.includes(role));
}
function readPersistedSession(): PersistedSession | null {
Iif (typeof localStorage === "undefined") {
return null;
}
const raw = localStorage.getItem(SESSION_RECORD_KEY);
if (!raw) {
return null;
}
try {
const value = JSON.parse(raw) as Partial<PersistedSession>;
return typeof value.authority === "string"
&& value.authority.length > 0
&& typeof value.refreshToken === "string"
&& value.refreshToken.length > 0
? { authority: value.authority, refreshToken: value.refreshToken }
: null;
} catch {
return null;
}
}
function readLegacyRefreshToken(): string | null {
return typeof localStorage === "undefined"
? null
: localStorage.getItem(LEGACY_REFRESH_TOKEN_KEY);
}
function writePersistedSession(session: PersistedSession): void {
Iif (typeof localStorage === "undefined") {
return;
}
localStorage.setItem(SESSION_RECORD_KEY, JSON.stringify(session));
localStorage.setItem(LEGACY_REFRESH_TOKEN_KEY, session.refreshToken);
}
function removePersistedSession(expected: PersistedSession): boolean {
Iif (typeof localStorage === "undefined") {
return true;
}
const current = readPersistedSession();
if (current) {
Iif (
current.authority !== expected.authority
|| current.refreshToken !== expected.refreshToken
) {
return false;
}
localStorage.removeItem(SESSION_RECORD_KEY);
} else Eif (localStorage.getItem(LEGACY_REFRESH_TOKEN_KEY) !== expected.refreshToken) {
return false;
}
Eif (localStorage.getItem(LEGACY_REFRESH_TOKEN_KEY) === expected.refreshToken) {
localStorage.removeItem(LEGACY_REFRESH_TOKEN_KEY);
}
return true;
}
function isRefreshOutcomeUnknown(cause: unknown): boolean {
return cause instanceof ApiError && (
cause.kind === "network"
|| cause.kind === "timeout"
|| cause.kind === "invalid-response"
|| (cause.kind === "http" && (cause.status ?? 500) >= 500)
);
}
function refreshOutcomeUnknown(cause: unknown): ApiError {
const error = cause instanceof ApiError ? cause : undefined;
return new ApiError(
error?.kind ?? "network",
"REFRESH_OUTCOME_UNKNOWN",
"员工会话刷新结果未知。为避免猜测凭据是否已旋转，请重新登录。",
error?.status,
{ cause },
);
}
export interface AccessDeniedFact {
email: string;
roles: string[];
remoteLogoutConfirmed: boolean;
}
export const useStaffSessionStore = defineStore("staff-session", () => {
const initial = readPersistedSession();
const profile = ref<UserProfile | null>(null);
const accessToken = ref<string | null>(null);
const refreshToken = ref<string | null>(
initial?.refreshToken ?? readLegacyRefreshToken(),
);
const sessionAuthority = ref<string | null>(initial?.authority ?? null);
const initialized = ref(false);
const busy = ref(false);
const error = ref<string | null>(null);
const logoutError = ref<string | null>(null);
const accessDenied = ref<AccessDeniedFact | null>(null);
const recoveryState = ref<StaffSessionRecoveryState>("idle");
const recoveryMessage = ref<string | null>(null);
let restorePromise: Promise<void> | null = null;
const rotationRelay = createBrowserSessionRelay<SessionRotationMessage>(
SESSION_RELAY_NAME,
installPeerRotation,
);
const authControlApi = createIdentityApi(createApiClient({
baseUrl: apiBaseUrl,
timeoutMs: 8000,
}));
const identityReadApi = createIdentityApi(createApiClient({
baseUrl: apiBaseUrl,
timeoutMs: 8000,
tokenProvider: () => accessToken.value,
}));
configureAuthenticatedSession({
accessToken: () => accessToken.value,
requestAuthority: () => sessionAuthority.value ?? accessToken.value,
onUnauthorized: handleUnauthorized,
});
const authenticated = computed(() => Boolean(
profile.value
&& accessToken.value
&& hasWorkspaceRole(profile.value.roles),
));
const requestAuthority = computed(() => sessionAuthority.value ?? accessToken.value);
const reauthRequired = computed(() => recoveryState.value === "reauth-required"
|| recoveryState.value === "outcome-unknown");
function setLocalSession(tokens: AuthTokens, authority: string): void {
accessToken.value = tokens.accessToken;
refreshToken.value = tokens.refreshToken;
sessionAuthority.value = authority;
}
function clearLocalSession(): void {
profile.value = null;
accessToken.value = null;
refreshToken.value = null;
sessionAuthority.value = null;
}
function requireReauthentication(
message: string,
state: Extract<
StaffSessionRecoveryState,
"outcome-unknown" | "reauth-required"
>,
): void {
profile.value = null;
accessToken.value = null;
recoveryState.value = state;
recoveryMessage.value = message;
error.value = message;
}
function ensurePersistedSession(): PersistedSession | null {
const current = readPersistedSession();
Iif (current) {
return current;
}
const legacy = readLegacyRefreshToken();
Iif (!legacy) {
return null;
}
const migrated = {
authority: secureRandomUUID(),
refreshToken: legacy,
};
writePersistedSession(migrated);
return migrated;
}
function installPeerRotation(message: SessionRotationMessage): boolean {
const current = readPersistedSession();
if (
message.type !== "rotation-completed"
|| !hasWorkspaceRole(message.profile.roles)
|| !current
|| current.authority !== message.authority
|| current.refreshToken !== message.tokens.refreshToken
|| sessionAuthority.value !== message.authority
|| (
refreshToken.value !== message.previousRefreshToken
&& refreshToken.value !== message.tokens.refreshToken
)
) {
return false;
}
setLocalSession(message.tokens, message.authority);
profile.value = message.profile;
accessDenied.value = null;
recoveryState.value = "idle";
recoveryMessage.value = null;
error.value = null;
return true;
}
async function installPeerRotationIfAvailable(
persisted: PersistedSession,
): Promise<boolean> {
const previousRefreshToken = refreshToken.value;
Eif (
!previousRefreshToken
|| previousRefreshToken === persisted.refreshToken
|| !rotationRelay.available
) {
return false;
}
const message = await rotationRelay.waitFor((candidate) =>
candidate.type === "rotation-completed"
&& candidate.authority === persisted.authority
&& candidate.previousRefreshToken === previousRefreshToken
&& candidate.tokens.refreshToken === persisted.refreshToken);
return message ? installPeerRotation(message) : false;
}
async function refreshWithOneUnknownRetry(token: string): Promise<AuthTokens> {
try {
return await authControlApi.refresh(token);
} catch (firstCause) {
Eif (!isRefreshOutcomeUnknown(firstCause)) {
throw firstCause;
}
try {
return await authControlApi.refresh(token);
} catch (secondCause) {
if (isRefreshOutcomeUnknown(secondCause)) {
throw refreshOutcomeUnknown(secondCause);
}
throw secondCause;
}
}
}
async function rejectNonStaff(
candidate: UserProfile,
persisted: PersistedSession,
): Promise<void> {
let remoteLogoutConfirmed = false;
try {
await authControlApi.logout(persisted.refreshToken);
remoteLogoutConfirmed = true;
} catch {
// No privileged local session is retained even when remote revoke is unknown.
}
removePersistedSession(persisted);
clearLocalSession();
accessDenied.value = {
email: candidate.email,
roles: [...candidate.roles],
remoteLogoutConfirmed,
};
}
async function installAndVerify(
tokens: AuthTokens,
authority: string,
): Promise<boolean> {
const next = { authority, refreshToken: tokens.refreshToken };
writePersistedSession(next);
setLocalSession(tokens, authority);
const candidate = await identityReadApi.currentUser();
if (!hasWorkspaceRole(candidate.roles)) {
await rejectNonStaff(candidate, next);
return false;
}
profile.value = candidate;
accessDenied.value = null;
recoveryState.value = "idle";
recoveryMessage.value = null;
error.value = null;
return true;
}
async function handleUnauthorized(
context: UnauthorizedRequestContext,
): Promise<"retry" | "reject"> {
Iif (
context.requestAuthority
&& context.requestAuthority !== sessionAuthority.value
) {
return "reject";
}
Iif (context.retryAttempted) {
requireReauthentication(
"刷新后的员工请求仍未通过身份校验，请重新登录。",
"reauth-required",
);
return "reject";
}
try {
return await withBrowserSessionLock(SESSION_LOCK_NAME, async () => {
Iif (
context.requestAuthority
&& context.requestAuthority !== sessionAuthority.value
) {
return "reject";
}
Iif (
accessToken.value
&& context.accessToken
&& accessToken.value !== context.accessToken
&& profile.value
) {
return "retry";
}
const expectedAuthority = sessionAuthority.value;
const current = readPersistedSession();
Iif (!expectedAuthority || !current || current.authority !== expectedAuthority) {
requireReauthentication(
"当前页面已失去对最新员工会话的所有权，请重新登录。",
"reauth-required",
);
return "reject";
}
Iif (await installPeerRotationIfAvailable(current)) {
return "retry";
}
recoveryState.value = "refreshing";
recoveryMessage.value = "员工访问凭据已过期，正在确认会话连续性与角色。";
try {
const tokens = await refreshWithOneUnknownRetry(current.refreshToken);
Eif (!await installAndVerify(tokens, current.authority) || !profile.value) {
return "reject";
}
rotationRelay.publish({
type: "rotation-completed",
authority: current.authority,
previousRefreshToken: current.refreshToken,
tokens,
profile: {
...profile.value,
roles: [...profile.value.roles],
},
});
return "retry";
} catch (cause) {
if (cause instanceof ApiError && cause.status === 401) {
removePersistedSession(current);
refreshToken.value = null;
sessionAuthority.value = null;
requireReauthentication(
"员工刷新凭据已失效，当前客户端无法继续证明会话连续性。",
"reauth-required",
);
return "reject";
}
if (isRefreshOutcomeUnknown(cause)) {
requireReauthentication(
"员工会话刷新结果未知；系统不会猜测服务端是否已经完成令牌旋转。",
"outcome-unknown",
);
throw refreshOutcomeUnknown(cause);
}
requireReauthentication(
cause instanceof Error ? cause.message : "员工会话连续性无法确认，请重新登录。",
"reauth-required",
);
return "reject";
}
});
} catch (cause) {
if (cause instanceof SessionCoordinationUnavailableError) {
requireReauthentication(cause.message, "reauth-required");
return "reject";
}
throw cause;
}
}
async function establishNewSession(tokens: AuthTokens): Promise<boolean> {
return withBrowserSessionLock(SESSION_LOCK_NAME, () =>
installAndVerify(tokens, secureRandomUUID()));
}
async function login(input: LoginInput): Promise<boolean> {
busy.value = true;
error.value = null;
logoutError.value = null;
accessDenied.value = null;
try {
const accepted = await establishNewSession(await authControlApi.login(input));
initialized.value = true;
return accepted;
} catch (cause) {
error.value = cause instanceof Error ? cause.message : "员工登录未完成。";
throw cause;
} finally {
busy.value = false;
}
}
function restore(): Promise<void> {
if (initialized.value) {
return Promise.resolve();
}
Iif (restorePromise) {
return restorePromise;
}
restorePromise = (async () => {
busy.value = true;
error.value = null;
try {
await withBrowserSessionLock(SESSION_LOCK_NAME, async () => {
const stored = ensurePersistedSession();
Iif (!stored) {
initialized.value = true;
return;
}
sessionAuthority.value = stored.authority;
refreshToken.value = stored.refreshToken;
recoveryState.value = "refreshing";
const tokens = await refreshWithOneUnknownRetry(stored.refreshToken);
await installAndVerify(tokens, stored.authority);
initialized.value = true;
});
} catch (cause) {
const current = sessionAuthority.value && refreshToken.value
? { authority: sessionAuthority.value, refreshToken: refreshToken.value }
: null;
Eif (cause instanceof ApiError && cause.status === 401) {
Eif (current) {
await withBrowserSessionLock(SESSION_LOCK_NAME, async () => {
removePersistedSession(current);
});
}
clearLocalSession();
recoveryState.value = "idle";
recoveryMessage.value = null;
error.value = null;
initialized.value = true;
return;
}
if (isRefreshOutcomeUnknown(cause)) {
requireReauthentication(
"员工会话恢复结果未知；刷新凭据已保留，但本次不会猜测旋转结果。",
"outcome-unknown",
);
} else {
requireReauthentication(
cause instanceof Error ? cause.message : "暂时无法恢复员工会话。",
"reauth-required",
);
}
initialized.value = false;
} finally {
busy.value = false;
}
})().finally(() => {
restorePromise = null;
});
return restorePromise;
}
async function logout() {
logoutError.value = null;
const expectedAuthority = sessionAuthority.value;
Eif (!expectedAuthority) {
clearLocalSession();
return;
}
busy.value = true;
try {
await withBrowserSessionLock(SESSION_LOCK_NAME, async () => {
const current = readPersistedSession();
if (!current || current.authority !== expectedAuthority) {
clearLocalSession();
return;
}
await authControlApi.logout(current.refreshToken);
removePersistedSession(current);
clearLocalSession();
recoveryState.value = "idle";
recoveryMessage.value = null;
});
} catch (cause) {
logoutError.value = cause instanceof Error
? cause.message
: "服务端退出结果未知，当前员工会话仍保留。";
throw cause;
} finally {
busy.value = false;
}
}
async function clearLocalOnly() {
const expectedAuthority = sessionAuthority.value;
const expectedRefresh = refreshToken.value;
await withBrowserSessionLock(SESSION_LOCK_NAME, async () => {
Iif (expectedAuthority && expectedRefresh) {
removePersistedSession({
authority: expectedAuthority,
refreshToken: expectedRefresh,
});
} else Eif (typeof localStorage !== "undefined" && !readPersistedSession()) {
localStorage.removeItem(LEGACY_REFRESH_TOKEN_KEY);
}
clearLocalSession();
recoveryState.value = "idle";
recoveryMessage.value = null;
logoutError.value = null;
});
}
return {
profile,
accessToken,
requestAuthority,
initialized,
busy,
error,
logoutError,
accessDenied,
recoveryState,
recoveryMessage,
reauthRequired,
authenticated,
login,
restore,
logout,
clearLocalOnly,
};
});
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