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fix(rsplat): use request Host header for staged image URLs 

fal.ai needs to download the staged image. Using hardcoded PUBLIC_ORIGIN
(rspace.online) fails because Cloudflare redirects /data/ paths and the
subdomain (jeff.rspace.online) isn't matched. Now derives the public URL
from the request's Host header. Added logging for staged image URLs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jeff Emmett 2026-03-16 17:02:10 -07:00
parent 3c1802ab07
commit 14c183b992
1 changed files with 14 additions and 2 deletions
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16
server/index.ts
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@ -1201,6 +1201,14 @@ app.post("/api/video-gen/i2v", async (c) => {
// Stage image for 3D generation (binary upload → HTTPS URL for fal.ai) // Stage image for 3D generation (binary upload → HTTPS URL for fal.ai)
const PUBLIC_ORIGIN = process.env.PUBLIC_ORIGIN || "https://rspace.online"; const PUBLIC_ORIGIN = process.env.PUBLIC_ORIGIN || "https://rspace.online";
/** Build public URL using the request's Host header so subdomains (jeff.rspace.online) work */
function publicUrl(c: any, path: string): string {
const host = c.req.header("host") || new URL(PUBLIC_ORIGIN).host;
const proto = c.req.header("x-forwarded-proto") || "https";
return `${proto}://${host}${path}`;
}
app.post("/api/image-stage", async (c) => { app.post("/api/image-stage", async (c) => {
const ct = c.req.header("content-type") || ""; const ct = c.req.header("content-type") || "";
console.log("[image-stage] Content-Type:", ct); console.log("[image-stage] Content-Type:", ct);
@ -1217,7 +1225,9 @@ app.post("/api/image-stage", async (c) => {
const dir = resolve(process.env.FILES_DIR || "./data/files", "generated"); const dir = resolve(process.env.FILES_DIR || "./data/files", "generated");
const filename = `stage-${Date.now()}-${Math.random().toString(36).slice(2, 6)}.jpg`; const filename = `stage-${Date.now()}-${Math.random().toString(36).slice(2, 6)}.jpg`;
await Bun.write(resolve(dir, filename), buf); await Bun.write(resolve(dir, filename), buf);
return c.json({ url: `${PUBLIC_ORIGIN}/api/files/generated/${filename}` }); const url = publicUrl(c, `/api/files/generated/${filename}`);
console.log("[image-stage] Staged (binary fallback):", url);
return c.json({ url });
} }
return c.json({ error: "Invalid upload format. Expected multipart/form-data." }, 400); return c.json({ error: "Invalid upload format. Expected multipart/form-data." }, 400);
} }
@ -1249,7 +1259,9 @@ app.post("/api/image-stage", async (c) => {
const buf = Buffer.from(await file.arrayBuffer()); const buf = Buffer.from(await file.arrayBuffer());
await Bun.write(resolve(dir, filename), buf); await Bun.write(resolve(dir, filename), buf);
return c.json({ url: `${PUBLIC_ORIGIN}/api/files/generated/${filename}` }); const url = publicUrl(c, `/api/files/generated/${filename}`);
console.log("[image-stage] Staged:", url, `(${buf.length} bytes)`);
return c.json({ url });
}); });
// Image-to-3D via fal.ai Hunyuan3D v2.1 (async job queue) // Image-to-3D via fal.ai Hunyuan3D v2.1 (async job queue)