|
| 1 | +import { NextRequest, NextResponse } from 'next/server'; |
| 2 | + |
| 3 | +const ALLOWED_TIDAL_HOSTNAMES = [ |
| 4 | + 'sp-pr-cf.audio.tidal.com', |
| 5 | + 'sp-ad-cf.audio.tidal.com', |
| 6 | + 'sp-pr-ad.audio.tidal.com', |
| 7 | + 'cdn.tidal.com', |
| 8 | + 'audio.tidal.com', |
| 9 | +]; |
| 10 | + |
| 11 | +function isAllowedTidalUrl(url: URL): boolean { |
| 12 | + return ALLOWED_TIDAL_HOSTNAMES.some( |
| 13 | + (h) => url.hostname === h || url.hostname.endsWith(`.${h}`) |
| 14 | + ); |
| 15 | +} |
| 16 | + |
| 17 | +function rewriteManifestSegments(content: string, manifestUrl: string): string { |
| 18 | + let baseUrl: URL | null = null; |
| 19 | + try { |
| 20 | + baseUrl = new URL(manifestUrl); |
| 21 | + } catch { |
| 22 | + /* leave baseUrl null – only absolute segment URLs can be rewritten */ |
| 23 | + } |
| 24 | + |
| 25 | + return content |
| 26 | + .split('\n') |
| 27 | + .map((line) => { |
| 28 | + const trimmed = line.trim(); |
| 29 | + if (!trimmed || trimmed.startsWith('#')) return line; |
| 30 | + |
| 31 | + // Resolve relative URLs against the manifest URL when possible. |
| 32 | + let segUrl = trimmed; |
| 33 | + if (baseUrl && !trimmed.startsWith('http')) { |
| 34 | + try { |
| 35 | + segUrl = new URL(trimmed, baseUrl).toString(); |
| 36 | + } catch { |
| 37 | + return line; |
| 38 | + } |
| 39 | + } |
| 40 | + |
| 41 | + try { |
| 42 | + const parsed = new URL(segUrl); |
| 43 | + if (isAllowedTidalUrl(parsed)) { |
| 44 | + return `/api/tidal-hls-proxy?url=${encodeURIComponent(segUrl)}`; |
| 45 | + } |
| 46 | + } catch { |
| 47 | + /* not a valid URL, leave as-is */ |
| 48 | + } |
| 49 | + return line; |
| 50 | + }) |
| 51 | + .join('\n'); |
| 52 | +} |
| 53 | + |
| 54 | +export async function GET(req: NextRequest) { |
| 55 | + const rawUrl = req.nextUrl.searchParams.get('url'); |
| 56 | + if (!rawUrl) { |
| 57 | + return new NextResponse('Missing url parameter', { status: 400 }); |
| 58 | + } |
| 59 | + |
| 60 | + let targetUrl: URL; |
| 61 | + try { |
| 62 | + targetUrl = new URL(rawUrl); |
| 63 | + } catch { |
| 64 | + return new NextResponse('Invalid URL', { status: 400 }); |
| 65 | + } |
| 66 | + |
| 67 | + if (!isAllowedTidalUrl(targetUrl)) { |
| 68 | + return new NextResponse('Domain not allowed', { status: 403 }); |
| 69 | + } |
| 70 | + |
| 71 | + const upstream = await fetch(targetUrl.toString(), { |
| 72 | + headers: { 'User-Agent': 'Mozilla/5.0 TidalPlayer/1.0' }, |
| 73 | + cache: 'no-store', |
| 74 | + }).catch(() => null); |
| 75 | + |
| 76 | + if (!upstream) { |
| 77 | + return new NextResponse('Upstream fetch failed', { status: 502 }); |
| 78 | + } |
| 79 | + if (!upstream.ok) { |
| 80 | + return new NextResponse(`Upstream error ${upstream.status}`, { |
| 81 | + status: upstream.status, |
| 82 | + }); |
| 83 | + } |
| 84 | + |
| 85 | + const contentType = upstream.headers.get('content-type') ?? ''; |
| 86 | + const looksLikeManifest = |
| 87 | + contentType.includes('mpegurl') || |
| 88 | + rawUrl.includes('.m3u8') || |
| 89 | + rawUrl.includes('/manifest') || |
| 90 | + contentType.includes('tidal.bts'); |
| 91 | + |
| 92 | + const corsHeaders = { |
| 93 | + 'Access-Control-Allow-Origin': '*', |
| 94 | + 'Access-Control-Allow-Methods': 'GET, OPTIONS', |
| 95 | + }; |
| 96 | + |
| 97 | + if (looksLikeManifest) { |
| 98 | + const text = await upstream.text(); |
| 99 | + const rewritten = rewriteManifestSegments(text, rawUrl); |
| 100 | + return new NextResponse(rewritten, { |
| 101 | + headers: { |
| 102 | + ...corsHeaders, |
| 103 | + 'Content-Type': 'application/vnd.apple.mpegurl', |
| 104 | + 'Cache-Control': 'no-cache', |
| 105 | + }, |
| 106 | + }); |
| 107 | + } |
| 108 | + |
| 109 | + // Audio segment – stream through. |
| 110 | + const buffer = await upstream.arrayBuffer(); |
| 111 | + return new NextResponse(buffer, { |
| 112 | + headers: { |
| 113 | + ...corsHeaders, |
| 114 | + 'Content-Type': contentType || 'audio/aac', |
| 115 | + 'Cache-Control': 'max-age=3600', |
| 116 | + }, |
| 117 | + }); |
| 118 | +} |
| 119 | + |
| 120 | +export async function OPTIONS() { |
| 121 | + return new NextResponse(null, { |
| 122 | + status: 204, |
| 123 | + headers: { |
| 124 | + 'Access-Control-Allow-Origin': '*', |
| 125 | + 'Access-Control-Allow-Methods': 'GET, OPTIONS', |
| 126 | + }, |
| 127 | + }); |
| 128 | +} |
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