@oletizi/audio-tools/modules/sampler-attic/src/web/nextjs/t/meta/[...path]/route.ts

Monorepo for hardware sampler utilities and format parsers

import {NextRequest, NextResponse} from "next/server";
import {getSessionData, getSessionId} from "@/lib/lib-session";
import {newServerConfig} from "@/lib/config-server";
import path from "path";
import {newSampleFromBuffer} from "@/model/sample";
import fs from "fs/promises";

export async function GET(request: NextRequest, {params}: { params: Promise<{ path: string[] }> }) {
    try {
        const p = (await params).path.map(i => {
            return decodeURIComponent(i)
        }).join('/')
        const session = await getSessionData(await getSessionId())
        const cfg = await newServerConfig()

        const normal = path.normalize(path.join(session.translate.source.join('/'), p))
        const absolute = path.normalize(path.join(cfg.sourceRoot, normal))
        if (! absolute.startsWith(cfg.sourceRoot)) {
            // noinspection ExceptionCaughtLocallyJS
            throw new Error('Source path outside of source root')
        }
        const sample = newSampleFromBuffer(await fs.readFile(absolute))

        return NextResponse.json({message: 'Ok', status: 200, normal: normal, absolute: absolute, data: sample.getMetadata()})
    } catch (e) {
        console.error(e)
        return NextResponse.json({message: `Not Found`, status: 404})
    }
}