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feat(bunny-cdn): refactor CDN hostname resolution and update asset URLs for improved flexibility

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Yusuf İpek
2026-02-26 11:53:03 +03:00
parent 3522c3da30
commit 4ea6099508
15 changed files with 192 additions and 98 deletions
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app/api/versions/[versionId]/download/route.ts
+27 -13
View File
@@ -4,6 +4,7 @@ import { apiErrors, successResponse, withCacheControl } from '@/lib/api-response
import { rateLimit } from '@/lib/rate-limit';
import { validateShareLinkAccess } from '@/lib/share-links';
import { getShareSessionFromRequest } from '@/lib/share-session';
import { resolveServerBunnyCdnHostname } from '@/lib/bunny-cdn';
import { NextRequest } from 'next/server';
import { DownloadEgressSource } from '@prisma/client';
@@ -17,7 +18,6 @@ type BunnyDownloadSource = {
const BUNNY_DOWNLOAD_FALLBACK_HEIGHTS = [2160, 1440, 1080, 720, 480, 360, 240];
const BUNNY_ALLOWED_QUALITIES = new Set(BUNNY_DOWNLOAD_FALLBACK_HEIGHTS);
const DEFAULT_BUNNY_CDN_HOSTNAME = 'vz-965f4f4a-fc1.b-cdn.net';
const BUNNY_MAX_PROBE_CANDIDATES = 4;
const BUNNY_SOURCE_RESOLUTION_CACHE_TTL_MS = 60 * 1000;
const BUNNY_REMOTE_FETCH_TIMEOUT_MS = 8 * 1000;
@@ -65,20 +65,14 @@ function buildContentDisposition(fileNameWithExt: string): string {
return `attachment; filename="${asciiFallback}"; filename*=UTF-8''${encoded}`;
}
function resolveBunnyCdnHostname(): string {
const raw = process.env.BUNNY_CDN_URL || process.env.NEXT_PUBLIC_BUNNY_CDN_URL;
if (!raw) return DEFAULT_BUNNY_CDN_HOSTNAME;
try {
const url = new URL(raw);
return url.hostname || DEFAULT_BUNNY_CDN_HOSTNAME;
} catch {
return raw.replace(/^https?:\/\//, '').replace(/\/+$/, '') || DEFAULT_BUNNY_CDN_HOSTNAME;
}
function resolveBunnyCdnHostname(): string | null {
return resolveServerBunnyCdnHostname();
}
function buildBunnyOriginalUrl(videoId: string): string {
return `https://${resolveBunnyCdnHostname()}/${videoId}/original`;
const hostname = resolveBunnyCdnHostname();
if (!hostname) return '';
return `https://${hostname}/${videoId}/original`;
}
function buildBunnySourceCacheKey(
@@ -140,6 +134,7 @@ async function isRemoteFileAvailable(url: string): Promise<boolean> {
async function resolveHighestBunnyMp4Url(videoId: string): Promise<string> {
const hostname = resolveBunnyCdnHostname();
if (!hostname) return '';
const playlistUrl = `https://${hostname}/${videoId}/playlist.m3u8`;
let playlistHeights: number[] = [];
@@ -172,6 +167,7 @@ async function resolveHighestBunnyMp4Url(videoId: string): Promise<string> {
async function resolveBunnyOriginalSource(videoId: string): Promise<BunnyDownloadSource | null> {
const originalUrl = buildBunnyOriginalUrl(videoId);
if (!originalUrl) return null;
if (await isRemoteFileAvailable(originalUrl)) {
return {
sourceType: 'original',
@@ -184,8 +180,17 @@ async function resolveBunnyOriginalSource(videoId: string): Promise<BunnyDownloa
}
async function resolveBunnyCompressedSource(videoId: string, requestedQuality: number | null): Promise<BunnyDownloadSource> {
const hostname = resolveBunnyCdnHostname();
if (!hostname) {
return {
sourceType: 'compressed',
quality: null,
url: '',
};
}
if (typeof requestedQuality === 'number' && Number.isFinite(requestedQuality) && requestedQuality > 0) {
const requestedUrl = `https://${resolveBunnyCdnHostname()}/${videoId}/play_${requestedQuality}p.mp4`;
const requestedUrl = `https://${hostname}/${videoId}/play_${requestedQuality}p.mp4`;
if (await isRemoteFileAvailable(requestedUrl)) {
return {
sourceType: 'compressed',
@@ -196,6 +201,13 @@ async function resolveBunnyCompressedSource(videoId: string, requestedQuality: n
}
const fallbackUrl = await resolveHighestBunnyMp4Url(videoId);
if (!fallbackUrl) {
return {
sourceType: 'compressed',
quality: null,
url: '',
};
}
return {
sourceType: 'compressed',
@@ -209,6 +221,8 @@ async function resolveBunnyDownloadSource(
requestedQuality: number | null,
sourcePreference: BunnyDownloadSourcePreference
): Promise<BunnyDownloadSource | null> {
if (!resolveBunnyCdnHostname()) return null;
const now = Date.now();
const cacheKey = buildBunnySourceCacheKey(videoId, requestedQuality, sourcePreference);
const cached = getCachedBunnyDownloadSource(cacheKey, now);
app/api/videos/[videoId]/assets/route.ts
+15 -7
View File
@@ -11,6 +11,7 @@ import { deriveGuestUploadContext, verifyGuestUploadToken } from '@/lib/guest-up
import { ensureGuestIdentityFromRequest, setGuestIdentityCookie } from '@/lib/guest-identity';
import { getShareSessionFromRequest } from '@/lib/share-session';
import { validateUrl, validateOptionalUrl } from '@/lib/validation';
import { resolveServerBunnyCdnHostname } from '@/lib/bunny-cdn';
import {
SAFE_BUNNY_VIDEO_ID,
SAFE_IMAGE_PROXY_PATH,
@@ -26,11 +27,6 @@ type RouteParams = { params: Promise<{ videoId: string }> };
const UNATTACHED_UPLOAD_TTL_MS = 15 * 60 * 1000;
const ASSET_LIST_DEFAULT_LIMIT = 40;
const ASSET_LIST_MAX_LIMIT = 100;
const BUNNY_ALLOWED_THUMBNAIL_HOSTS = new Set([
'iframe.mediadelivery.net',
'video.bunnycdn.com',
'vz-965f4f4a-fc1.b-cdn.net',
]);
const YOUTUBE_TITLE_CACHE_TTL_MS = 5 * 60 * 1000;
type AssetWithViewerFields = {
@@ -62,10 +58,19 @@ type YouTubeTitleCacheRecord = {
const youtubeTitleCache = new Map<string, YouTubeTitleCacheRecord>();
function isAllowedBunnyMediaUrl(url: string): boolean {
const allowedHosts = new Set<string>([
'iframe.mediadelivery.net',
'video.bunnycdn.com',
]);
const bunnyCdnHostname = resolveServerBunnyCdnHostname();
if (bunnyCdnHostname) {
allowedHosts.add(bunnyCdnHostname);
}
try {
const parsed = new URL(url);
if (parsed.protocol !== 'https:') return false;
return BUNNY_ALLOWED_THUMBNAIL_HOSTS.has(parsed.hostname);
return allowedHosts.has(parsed.hostname);
} catch {
return false;
}
@@ -330,7 +335,10 @@ export async function POST(request: NextRequest, { params }: RouteParams) {
displayName = sanitizeAssetDisplayName(requestedDisplayName, `Bunny ${providerVideoId}`);
if (!thumbnailUrl) {
thumbnailUrl = `https://vz-965f4f4a-fc1.b-cdn.net/${providerVideoId}/thumbnail.jpg`;
const bunnyCdnHostname = resolveServerBunnyCdnHostname();
if (bunnyCdnHostname) {
thumbnailUrl = `https://${bunnyCdnHostname}/${providerVideoId}/thumbnail.jpg`;
}
}
kind = 'VIDEO';
}