Files
iAOP/web/shared/session.js
T

192 lines
8.3 KiB
JavaScript
Raw Normal View History

/* iAOP 全站统一会话层(Ant Design Pro 风格重构,2026-08)。
*
* 背景:#150 的 auth.js 只对接 core/auth 后端(/auth/login|logout|me),
* 后端未部署时登录态完全不可用,门户只能裸奔展示全部模块。
* 本文件提供「后端优先 + 本地降级」双轨会话:
* 1. 后端可达(同源 /auth/*)→ 走后端 HMAC 会话(HttpOnly cookie);
* 2. 后端不可达(纯静态部署,如 nginx :8090)→ 走 UserStore 本地账号
* (PBKDF2 降级为 salt+SHA-256 的 Demo 级校验,见 user_store.js),
* 会话落 localStorage(iaop.session.v1)。
* 两种模式下 currentUser() 返回结构一致:{username, role, active}。
*
* 角色→模块映射(PRD 8.2 三级 RBAC,门户按此过滤可见模块):
* readonly(Viewer) : 驾驶舱 / 对话助手 / 移动端
* engineer(Editor) : + 模板配置台
* admin(Publisher) : + 管理控制台 / 用户与角色(全部 6 模块)
*
* 同时导出 window.IAOP_AUTH 兼容层(与 #150 auth.js 同签名),
* studio/admin/users 等既有页面无需修改业务代码即可获得本地降级能力。
*/
"use strict";
var IAOP_SESSION = (function () {
var SESSION_KEY = "iaop.session.v1";
var BACKEND_TIMEOUT_MS = 1500; // /auth/* 探测超时,超时即降级本地
/* ---- 模块注册表(门户卡片 + 访问控制单一数据源) ---------------------- */
var MODULES = [
{ key: "cockpit", title: "配置化驾驶舱", icon: "🚀", url: "cockpit/",
desc: "四状态工艺流程视图、实时趋势、KPI 卡片、告警面板、NL 查询(PRD 5.5)",
roles: ["readonly", "engineer", "admin"], tag: "只读", tagColor: "default" },
{ key: "chat", title: "对话助手", icon: "💬", url: "chat/assistant.html",
desc: "NL 工艺查询 / 报警智能解释 / 交接班报告生成(PRD 5.4)",
roles: ["readonly", "engineer", "admin"], tag: "AI 助手", tagColor: "blue" },
{ key: "studio", title: "模板配置台", icon: "🧩", url: "studio/",
desc: "点位字典导入 / 模型超参 / RAG 知识库 / 布局编排 / 版本发布(PRD 5.7)",
roles: ["engineer", "admin"], tag: "可配置", tagColor: "green" },
{ key: "admin", title: "管理控制台", icon: "⚙️", url: "admin/",
desc: "模型管理(版本/阶段/回滚)、知识库管理、告警确认、审计查询",
roles: ["admin"], tag: "管理员", tagColor: "gold" },
{ key: "users", title: "用户与角色", icon: "👤", url: "auth/users.html",
desc: "用户管理、角色分配(readonly / engineer / admin)、审计(PRD 8.2)",
roles: ["admin"], tag: "管理员", tagColor: "gold" },
{ key: "mobile", title: "移动端驾驶舱", icon: "📱", url: "mobile/",
desc: "移动端只读驾驶舱与交接班摘要(iOS14+ / Android 10+)",
roles: ["readonly", "engineer", "admin"], tag: "移动端", tagColor: "default" }
];
var ROLE_LABELS = { readonly: "Viewer · 只读", engineer: "Editor · 配置",
admin: "Publisher · 管理" };
var ROLE_TAG_COLORS = { readonly: "default", engineer: "green", admin: "gold" };
/* ---- 本地会话存取 ------------------------------------------------------ */
function saveSession(user) {
try {
localStorage.setItem(SESSION_KEY, JSON.stringify({
username: user.username, role: user.role,
loginAt: new Date().toISOString()
}));
} catch (e) { /* 隐私模式等场景忽略 */ }
}
function readSession() {
try {
var v = localStorage.getItem(SESSION_KEY);
return v ? JSON.parse(v) : null;
} catch (e) { return null; }
}
function clearSession() {
try { localStorage.removeItem(SESSION_KEY); } catch (e) {}
}
/* ---- 后端探测(带超时) ------------------------------------------------ */
function fetchWithTimeout(url, opts) {
return new Promise(function (resolve, reject) {
var timer = setTimeout(function () { reject(new Error("timeout")); },
BACKEND_TIMEOUT_MS);
fetch(url, opts).then(function (r) {
clearTimeout(timer); resolve(r);
}, function (e) {
clearTimeout(timer); reject(e);
});
});
}
/* ---- 当前登录用户:后端优先,本地会话降级 ------------------------------ */
function currentUser() {
return fetchWithTimeout("/auth/me", { credentials: "include" })
.then(function (r) { return r.ok ? r.json() : null; })
.then(function (d) {
if (d && d.user) return d.user;
throw new Error("no backend session");
})
.catch(function () {
// 后端不可达或无后端会话 → 本地会话降级,并用 UserStore 复核用户仍有效
var s = readSession();
if (!s || !s.username) return null;
if (typeof UserStore === "undefined") return s; // 无存储层时信任会话
var u = UserStore.find(s.username);
if (!u || !u.active) { clearSession(); return null; }
return { username: u.username, role: u.role, active: u.active };
});
}
/* ---- 登录:后端优先,本地账号降级 -------------------------------------- */
function login(username, password) {
return fetchWithTimeout("/auth/login", {
method: "POST",
credentials: "include",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ username: username, password: password })
}).then(function (r) {
if (r.ok) return r.json().then(function (d) {
saveSession(d.user);
return d.user;
});
// 后端在线但拒绝(401 等):是真实鉴权失败,不降级
return r.json().then(function (d) {
throw new Error((d && d.error) || "用户名或密码错误");
});
}).catch(function (e) {
if (e && e.message && e.message !== "timeout" &&
e.message !== "no backend session" &&
e.message !== "Failed to fetch" &&
e.name !== "TypeError" && !/fetch/i.test(e.message || "")) {
throw e; // 后端鉴权失败,直接抛
}
// 后端不可达 → 本地账号校验
if (typeof UserStore === "undefined") {
throw new Error("认证服务不可用,且本地账号存储未加载");
}
return UserStore.seedDefaults().then(function () {
return UserStore.verify(username, password);
}).then(function (u) {
if (!u) throw new Error("用户名或密码错误");
saveSession(u);
return u;
});
});
}
/* ---- 登出:双轨都清 ----------------------------------------------------- */
function logout(loginUrl) {
clearSession();
try {
fetch("/auth/logout", { method: "POST", credentials: "include" })
.catch(function () {});
} catch (e) {}
var next = encodeURIComponent(location.pathname + location.search);
location.href = (loginUrl || "../auth/login.html") + "?next=" + next;
}
/* ---- 路由守卫(与 #150 IAOP_AUTH 同语义) ------------------------------- */
function requireLoginElseRedirect(loginUrl) {
return currentUser().then(function (u) {
if (!u) {
var next = encodeURIComponent(location.pathname + location.search);
location.href = (loginUrl || "../auth/login.html") + "?next=" + next;
return false;
}
return u;
});
}
/* ---- 角色→模块 ---------------------------------------------------------- */
function modulesFor(role) {
return MODULES.filter(function (m) { return m.roles.indexOf(role) >= 0; });
}
function canAccess(moduleKey, role) {
var m = MODULES.find(function (x) { return x.key === moduleKey; });
return !!m && m.roles.indexOf(role) >= 0;
}
return {
MODULES: MODULES,
ROLE_LABELS: ROLE_LABELS,
ROLE_TAG_COLORS: ROLE_TAG_COLORS,
currentUser: currentUser,
login: login,
logout: logout,
requireLoginElseRedirect: requireLoginElseRedirect,
modulesFor: modulesFor,
canAccess: canAccess
};
})();
/* 兼容层:与 #150 auth.js 导出同签名(studio/admin/users 直接复用)。
* 若页面同时加载了 auth.js,本兼容层在后加载时覆盖之,获得本地降级能力。 */
window.IAOP_AUTH = {
currentUser: IAOP_SESSION.currentUser,
requireLoginElseRedirect: IAOP_SESSION.requireLoginElseRedirect,
AUTH_BASE: ""
};