Files
NianAIGC/components/browser-auth.tsx

131 lines
4.3 KiB
TypeScript

"use client";
import { createContext, useCallback, useContext, useEffect, useMemo, useState } from "react";
import { usePathname, useRouter } from "next/navigation";
import type { AuthMode, AuthUser } from "@/lib/auth/session";
import { fetchBrowserAuthState, safeBrowserLocationNext, type BrowserCurrentSession } from "@/lib/client/browser-auth";
type BrowserAuthStatus = "loading" | "ready" | "error";
type BrowserAuthState = {
status: BrowserAuthStatus;
user: AuthUser | null;
authMode: AuthMode | null;
authRequired: boolean;
authConfigured: boolean;
isAdmin: boolean;
isSuperAdmin: boolean;
error: string | null;
refresh: () => Promise<void>;
};
const BrowserAuthContext = createContext<BrowserAuthState | null>(null);
export function BrowserAuthProvider({ children }: { children: React.ReactNode }) {
const [session, setSession] = useState<BrowserCurrentSession | null>(null);
const [status, setStatus] = useState<BrowserAuthStatus>("loading");
const [error, setError] = useState<string | null>(null);
const loadSession = useCallback(async (signal?: AbortSignal) => {
try {
const current = await fetchBrowserAuthState(signal);
setSession(current);
setStatus("ready");
setError(null);
} catch (cause) {
if (cause instanceof DOMException && cause.name === "AbortError") return;
setStatus("error");
setError(cause instanceof Error ? cause.message : "无法读取认证状态");
}
}, []);
useEffect(() => {
const controller = new AbortController();
void loadSession(controller.signal);
return () => controller.abort();
}, [loadSession]);
const value = useMemo<BrowserAuthState>(() => {
const user = session?.user || null;
const authRequired = session?.authRequired ?? true;
const isSuperAdmin = !authRequired || user?.role === "super_admin";
const isAdmin = isSuperAdmin || user?.role === "organization_admin";
return {
status,
user,
authMode: session?.authMode || null,
authRequired,
authConfigured: session?.authConfigured ?? false,
isAdmin,
isSuperAdmin,
error,
refresh: () => loadSession()
};
}, [error, loadSession, session, status]);
return <BrowserAuthContext.Provider value={value}>{children}</BrowserAuthContext.Provider>;
}
export function useBrowserAuth(): BrowserAuthState {
const state = useContext(BrowserAuthContext);
if (!state) throw new Error("useBrowserAuth must be used inside BrowserAuthProvider");
return state;
}
export function BrowserAuthGuard({
children,
role = "user"
}: {
children: React.ReactNode;
role?: "user" | "admin" | "super";
}) {
const auth = useBrowserAuth();
const pathname = usePathname();
const router = useRouter();
const needsLogin = auth.status === "ready" && auth.authRequired && !auth.user;
useEffect(() => {
if (needsLogin) {
const next = safeBrowserLocationNext(window.location, pathname || "/create");
router.replace(`/auth/login?next=${encodeURIComponent(next)}`);
}
}, [needsLogin, pathname, router]);
if (auth.status === "loading" || needsLogin) {
return <AuthStatePanel message="正在确认登录状态…" />;
}
if (auth.status === "error") {
return <AuthStatePanel message={auth.error || "无法读取认证状态"} actionLabel="重试" onAction={() => void auth.refresh()} />;
}
if ((role === "admin" && !auth.isAdmin) || (role === "super" && !auth.isSuperAdmin)) {
return <AuthStatePanel message="当前账号无权访问此页面。" />;
}
return <>{children}</>;
}
export function ClientRedirect({ to, forwardNext = false }: { to: string; forwardNext?: boolean }) {
useEffect(() => {
const next = forwardNext ? new URLSearchParams(window.location.search).get("next") : null;
const destination = next ? `${to}?next=${encodeURIComponent(next)}` : to;
window.location.replace(destination);
}, [forwardNext, to]);
return <AuthStatePanel message="正在跳转…" />;
}
function AuthStatePanel({
message,
actionLabel,
onAction
}: {
message: string;
actionLabel?: string;
onAction?: () => void;
}) {
return (
<section className="panel">
<p className="muted">{message}</p>
{actionLabel && onAction ? <button className="button" type="button" onClick={onAction}>{actionLabel}</button> : null}
</section>
);
}