0.2 在线版本打通
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@@ -1,27 +1,17 @@
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import { NextResponse } from "next/server";
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import supabaseAdmin from "@/lib/supabase/admin";
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import { createSupabaseRouteClient } from "@/lib/supabase/server";
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import { rewriteToPublicOrigin } from "@/lib/url/rewritePublicOrigin";
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import { getMnoteRuntimeConfig } from "@/lib/runtime-config";
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import supabaseAdmin from "@/lib/supabase/admin";
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export const dynamic = "force-dynamic";
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const applyHostOverride = (rawUrl: string, hostOverride: string) => {
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try {
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const u = new URL(rawUrl);
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// 支持两种写法:hostname 或完整 origin(https://xxx:port)
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if (/^https?:\/\//i.test(hostOverride)) {
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const ov = new URL(hostOverride);
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u.protocol = ov.protocol;
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u.host = ov.host;
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return u.toString();
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}
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u.hostname = hostOverride;
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return u.toString();
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} catch {
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return rawUrl;
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}
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};
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const base64Url = (input: string) =>
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Buffer.from(input)
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.toString("base64")
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.replace(/=/g, "")
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.replace(/\+/g, "-")
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.replace(/\//g, "_");
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const parseStoragePath = (fileUrl: string) => {
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try {
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@@ -47,12 +37,80 @@ const parseStoragePath = (fileUrl: string) => {
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}
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};
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const isUuid = (value: string) =>
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/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i.test(value);
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const tryResolveExistingObjectPath = async (params: {
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bucket: string;
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path: string;
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fileName?: string;
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}) => {
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const { bucket, path, fileName } = params;
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if (!bucket || !path) return null;
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try {
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const storage = supabaseAdmin.schema("storage");
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// 1) 先尝试精确匹配(最快且最准确)
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const { data: exact, error: exactError } = await storage
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.from("objects")
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.select("name")
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.eq("bucket_id", bucket)
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.eq("name", path)
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.limit(1);
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if (!exactError && exact && exact.length > 0 && exact[0]?.name) {
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return String(exact[0].name);
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}
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// 2) 兼容历史数据:老链接中间 UUID 可能用的是 document_id,
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// 但实际对象通常是 workspace_id/<其他uuid>/<file_name>。
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const segments = path.split("/").filter(Boolean);
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const workspaceId = segments[0] ?? "";
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const wantedName = (fileName ?? segments[segments.length - 1] ?? "").trim();
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if (!workspaceId || !isUuid(workspaceId) || !wantedName) return null;
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const pattern = `${workspaceId}/%/${wantedName}`;
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const { data: candidates, error: candError } = await storage
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.from("objects")
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.select("name,created_at")
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.eq("bucket_id", bucket)
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.like("name", pattern)
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.order("created_at", { ascending: false })
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.limit(20);
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if (candError || !candidates || candidates.length === 0) return null;
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// 说明:LIKE 会把 `_` 当作通配符,这里用 endsWith 再做一次精确过滤。
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const exactCandidate =
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candidates.find((o) => String(o?.name || "").endsWith(`/${wantedName}`)) ??
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candidates[0];
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if (!exactCandidate?.name) return null;
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return String(exactCandidate.name);
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} catch {
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return null;
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}
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};
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export async function GET(request: Request) {
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// 说明:在 Cloudflare Tunnel 场景下,后端收到的 Host 可能是 localhost,
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// 但 ONLYOFFICE 文档服务器拉取 document.url 时必须使用公网可达的域名。
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// 因此这里优先使用运行时配置(public/mnote-env.json / env)里的公网 Origin,
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// 再回退到 request.url 解析出的 origin。
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const runtimeCfg = getMnoteRuntimeConfig();
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const supabase = await createSupabaseRouteClient();
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const {
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data: { session },
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} = await supabase.auth.getSession();
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if (!session) {
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return NextResponse.json({ error: "未登录" }, { status: 401 });
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}
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const { searchParams } = new URL(request.url);
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const fileUrl = searchParams.get("fileUrl");
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const fileName = searchParams.get("fileName") ?? undefined;
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const forOnlyOffice = searchParams.get("for") === "onlyoffice";
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const hostOverride = process.env.NEXT_PUBLIC_ONLYOFFICE_STORAGE_HOST_OVERRIDE;
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if (searchParams.get("debug") === "1") {
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return NextResponse.json({
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keyLen: (process.env.SUPABASE_SERVICE_ROLE_KEY || "").length,
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@@ -64,30 +122,72 @@ export async function GET(request: Request) {
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return NextResponse.json({ error: "缺少 fileUrl" }, { status: 400 });
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}
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// 说明:
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// - 非 ONLYOFFICE:必须能解析为 Supabase Storage 路径,便于生成带 download 的临时签名 URL。
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// - ONLYOFFICE:允许传入任意可访问 URL(包括外链或已签名 URL),并尽量“刷新一次签名”,刷新失败则回退到原 URL。
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const parsed = parseStoragePath(fileUrl);
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if (!parsed) {
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return NextResponse.json({ error: "无法解析 Supabase 存储路径" }, { status: 400 });
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}
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const { bucket, path } = parsed;
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if (!forOnlyOffice) {
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if (!parsed) {
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return NextResponse.json({ error: "无法解析 Supabase 存储路径" }, { status: 400 });
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}
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// OnlyOffice 需要“可被文档服务器拉取”的 URL:不要强制 download(Content-Disposition: attachment)。
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const { data, error } = forOnlyOffice
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? await supabaseAdmin.storage.from(bucket).createSignedUrl(path, 60 * 60)
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: await supabaseAdmin.storage.from(bucket).createSignedUrl(path, 60 * 60, { download: fileName });
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const { bucket, path } = parsed;
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const resolvedPath =
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(await tryResolveExistingObjectPath({ bucket, path, fileName })) ?? null;
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if (error || !data?.signedUrl) {
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return NextResponse.json({ error: error?.message ?? "生成签名 URL 失败" }, { status: 500 });
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}
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if (!resolvedPath) {
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return NextResponse.json(
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{ error: "存储对象不存在,无法生成签名链接" },
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{ status: 404 },
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);
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}
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const { data, error } = await supabase.storage.from(bucket).createSignedUrl(
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resolvedPath,
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60 * 60,
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{ download: fileName },
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);
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if (error || !data?.signedUrl) {
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return NextResponse.json({ error: error?.message ?? "生成签名 URL 失败" }, { status: 500 });
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}
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let signedUrl = data.signedUrl;
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if (forOnlyOffice && hostOverride) {
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// 优先按 OnlyOffice 专用回源地址改写(可设置为 http://host.docker.internal:18000 以降低延迟)
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signedUrl = applyHostOverride(signedUrl, hostOverride);
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} else {
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// 返回给浏览器的 URL 必须是公网可达的(不能是 127.0.0.1:18000)
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signedUrl = rewriteToPublicOrigin(signedUrl, process.env.NEXT_PUBLIC_SUPABASE_URL);
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const signedUrl = rewriteToPublicOrigin(data.signedUrl, runtimeCfg.supabaseUrl);
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return NextResponse.json({ signedUrl });
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}
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return NextResponse.json({ signedUrl });
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// ONLYOFFICE 需要“可被文档服务器拉取”的 URL:不要强制 download(Content-Disposition: attachment)。
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// 这里优先尝试重新生成 1 小时签名 URL;如果失败(例如策略限制/路径无法解析),则回退到原 URL。
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let upstreamUrl = rewriteToPublicOrigin(fileUrl, runtimeCfg.supabaseUrl);
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if (parsed) {
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const { bucket, path } = parsed;
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const resolvedPath =
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(await tryResolveExistingObjectPath({ bucket, path, fileName })) ?? null;
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if (!resolvedPath) {
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return NextResponse.json(
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{ error: "存储对象不存在,无法生成签名链接" },
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{ status: 404 },
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);
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}
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const { data, error } = await supabase.storage.from(bucket).createSignedUrl(
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resolvedPath,
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60 * 60,
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);
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if (!error && data?.signedUrl) {
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upstreamUrl = rewriteToPublicOrigin(data.signedUrl, runtimeCfg.supabaseUrl);
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}
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}
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// 关键:Supabase Storage 的 signedUrl 自带 `?token=...`,ONLYOFFICE 会把 URL 上的
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// `token` 参数当作自己的 JWT token 去校验,导致报 “文档安全令牌的格式不正确/invalid signature”。
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//
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// 解决:对 ONLYOFFICE 返回一个“代理 URL”,把真正的 URL 编码到 `u=...` 中,避免
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// `token` 参数出现在 document.url 上。
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const defaultOrigin = new URL(request.url).origin;
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const proxyBase = (runtimeCfg.onlyofficeProxyOrigin || runtimeCfg.cloudflareAppOrigin || defaultOrigin).replace(/\/+$/, "");
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const proxyUrl = new URL("/api/onlyoffice/proxy", proxyBase);
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proxyUrl.searchParams.set("u", base64Url(upstreamUrl));
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return NextResponse.json({ signedUrl: proxyUrl.toString() });
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}
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