79 lines
2.4 KiB
TypeScript
79 lines
2.4 KiB
TypeScript
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import { NextResponse } from "next/server";
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import supabaseAdmin from "@/lib/supabase/admin";
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export const dynamic = "force-dynamic";
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const parseStoragePath = (fileUrl: string) => {
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try {
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const url = new URL(fileUrl);
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const segments = url.pathname.split("/").filter(Boolean);
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const objectIdx = segments.findIndex((seg) => seg === "object");
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if (objectIdx === -1 || objectIdx + 2 >= segments.length) return null;
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// pattern 1: /storage/v1/object/public/<bucket>/<path...>
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if (segments[objectIdx + 1] === "public") {
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const bucket = segments[objectIdx + 2];
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const path = segments.slice(objectIdx + 3).join("/");
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return { bucket, path };
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}
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// pattern 2: /storage/v1/object/sign/<bucket>/<path...> (token in query)
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if (segments[objectIdx + 1] === "sign") {
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const bucket = segments[objectIdx + 2];
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const path = segments.slice(objectIdx + 3).join("/");
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return { bucket, path };
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}
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return null;
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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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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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url: process.env.SUPABASE_URL,
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});
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}
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if (!fileUrl) {
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return NextResponse.json({ error: "缺少 fileUrl" }, { status: 400 });
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}
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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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const { data, error } = await supabaseAdmin.storage
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.from(bucket)
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.createSignedUrl(path, 60 * 60, { download: fileName });
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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 (
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forOnlyOffice &&
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hostOverride &&
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(signedUrl.includes("127.0.0.1") || signedUrl.includes("localhost"))
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) {
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try {
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const url = new URL(signedUrl);
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url.hostname = hostOverride;
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signedUrl = url.toString();
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} catch {
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// ignore parse errors
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}
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}
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return NextResponse.json({ signedUrl });
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}
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