fix: ne plus exposer les identifiants Funkwhale côté client

app/api/mizik-stream/[id]/__tests__/route.test.js

@@ -0,0 +1,55 @@
+import {describe, it, expect, vi, afterEach} from 'vitest'
+import {GET} from '../route'
+
+function fakeUpstreamResponse({status = 200, headers = {}, body = 'audio-bytes'} = {}) {
+  return {
+    status,
+    body,
+    headers: {
+      get: key => headers[key.toLowerCase()] ?? null
+    }
+  }
+}
+
+describe('GET /api/mizik-stream/[id]', () => {
+  const originalFetch = global.fetch
+
+  afterEach(() => {
+    global.fetch = originalFetch
+    vi.restoreAllMocks()
+  })
+
+  it('n\'expose pas les identifiants au client, uniquement l\'id dans l\'URL amont', async () => {
+    global.fetch = vi.fn(async () => fakeUpstreamResponse())
+
+    const request = new Request('http://localhost/api/mizik-stream/42')
+    await GET(request, {params: Promise.resolve({id: '42'})})
+
+    const [calledUrl] = global.fetch.mock.calls[0]
+    expect(calledUrl).toContain('id=42')
+    expect(calledUrl).toMatch(/[?&]u=/)
+    expect(calledUrl).toMatch(/[?&]p=/)
+  })
+
+  it('transmet l\'en-tête Range pour permettre le seek audio', async () => {
+    global.fetch = vi.fn(async () => fakeUpstreamResponse({status: 206, headers: {'content-range': 'bytes 0-99/200'}}))
+
+    const request = new Request('http://localhost/api/mizik-stream/42', {headers: {range: 'bytes=0-99'}})
+    const response = await GET(request, {params: Promise.resolve({id: '42'})})
+
+    const [, options] = global.fetch.mock.calls[0]
+    expect(options.headers.range).toBe('bytes=0-99')
+    expect(response.status).toBe(206)
+    expect(response.headers.get('content-range')).toBe('bytes 0-99/200')
+  })
+
+  it('renvoie le flux et le statut renvoyés par le serveur Funkwhale', async () => {
+    global.fetch = vi.fn(async () => fakeUpstreamResponse({status: 200, headers: {'content-type': 'audio/mpeg'}}))
+
+    const request = new Request('http://localhost/api/mizik-stream/7')
+    const response = await GET(request, {params: Promise.resolve({id: '7'})})
+
+    expect(response.status).toBe(200)
+    expect(response.headers.get('content-type')).toBe('audio/mpeg')
+  })
+})

app/api/mizik-stream/[id]/route.js

@@ -0,0 +1,29 @@
+const MIZIK_URL = process.env.NEXT_PUBLIC_OKI_MIZIK_URL || 'https://funkwhale-server.com'
+const MIZIK_API_USER = process.env.MIZIK_API_USER || 'user'
+const MIZIK_API_PASSWORD = process.env.MIZIK_API_PASSWORD || 'password'
+
+const FORWARDED_HEADERS = ['content-type', 'content-length', 'content-range', 'accept-ranges']
+
+export async function GET(request, props) {
+  const {id} = await props.params
+
+  const upstreamUrl = `${MIZIK_URL}/rest/stream?u=${encodeURIComponent(MIZIK_API_USER)}&p=${encodeURIComponent(MIZIK_API_PASSWORD)}&id=${encodeURIComponent(id)}`
+  const range = request.headers.get('range')
+
+  const upstreamResponse = await fetch(upstreamUrl, {
+    headers: range ? {range} : {}
+  })
+
+  const headers = new Headers()
+  for (const key of FORWARDED_HEADERS) {
+    const value = upstreamResponse.headers.get(key)
+    if (value) {
+      headers.set(key, value)
+    }
+  }
+
+  return new Response(upstreamResponse.body, {
+    status: upstreamResponse.status,
+    headers
+  })
+}