Use FlareSolverr for ArtStation import behind Cloudflare

ArtStation blocks plain HTTP; route JSON fetches through FlareSolverr
with a direct-fetch fallback.

server/scripts/import-artstation.ts

@@ -16,7 +16,11 @@ import { downloadRemoteImage } from "../src/lib/media.js";
 
 const prisma = new PrismaClient();
 const USER_AGENT =
-  "Mozilla/5.0 (compatible; jmartgraphix-importer/1.0; +https://jmartgraphix.com)";
+  "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36";
+
+/** FlareSolverr (or direct fetch) — ArtStation sits behind Cloudflare. */
+const FLARESOLVERR_URL =
+  process.env.FLARESOLVERR_URL || "http://flaresolverr:8191/v1";
 
 function arg(name: string, fallback?: string): string | undefined {
   const idx = process.argv.indexOf(`--${name}`);
@@ -28,9 +32,55 @@ function hasFlag(name: string): boolean {
   return process.argv.includes(`--${name}`);
 }
 
+function extractJsonFromFlareBody(body: string): unknown {
+  // FlareSolverr often wraps JSON in <pre>…</pre>
+  const pre = body.match(/<pre[^>]*>([\s\S]*?)<\/pre>/i);
+  const raw = (pre ? pre[1] : body).trim();
+  return JSON.parse(raw);
+}
+
+async function fetchViaFlareSolverr(url: string): Promise<unknown> {
+  const res = await fetch(FLARESOLVERR_URL, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({
+      cmd: "request.get",
+      url,
+      maxTimeout: 90_000,
+    }),
+    signal: AbortSignal.timeout(100_000),
+  });
+  if (!res.ok) throw new Error(`FlareSolverr HTTP ${res.status} for ${url}`);
+  const payload = (await res.json()) as {
+    status: string;
+    message?: string;
+    solution?: { status: number; response?: string };
+  };
+  if (payload.status !== "ok" || !payload.solution?.response) {
+    throw new Error(
+      `FlareSolverr failed for ${url}: ${payload.message || payload.status}`
+    );
+  }
+  if (payload.solution.status >= 400) {
+    throw new Error(`ArtStation HTTP ${payload.solution.status} for ${url}`);
+  }
+  return extractJsonFromFlareBody(payload.solution.response);
+}
+
 async function fetchJson<T>(url: string): Promise<T> {
+  // Prefer FlareSolverr (Cloudflare). Fall back to direct fetch.
+  try {
+    return (await fetchViaFlareSolverr(url)) as T;
+  } catch (flareErr) {
+    console.warn(`  FlareSolverr miss, trying direct: ${(flareErr as Error).message}`);
+  }
   const res = await fetch(url, {
-    headers: { "User-Agent": USER_AGENT, Accept: "application/json" },
+    headers: {
+      "User-Agent": USER_AGENT,
+      Accept: "application/json, text/plain, */*",
+      "Accept-Language": "en-US,en;q=0.9",
+      Referer: "https://www.artstation.com/",
+    },
     signal: AbortSignal.timeout(30_000),
   });
   if (!res.ok) throw new Error(`HTTP ${res.status} for ${url}`);