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Securite/Linkwarden/lib/api/validateUrlSize.ts

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+import fetch from "node-fetch";
+import https from "https";
+
+export default async function validateUrlSize(url: string) {
+  try {
+    const httpsAgent = new https.Agent({
+      rejectUnauthorized:
+        process.env.IGNORE_UNAUTHORIZED_CA === "true" ? false : true,
+    });
+
+    const response = await fetch(url, {
+      method: "HEAD",
+      agent: httpsAgent,
+    });
+
+    const totalSizeMB =
+      Number(response.headers.get("content-length")) / Math.pow(1024, 2);
+    if (totalSizeMB > (Number(process.env.NEXT_PUBLIC_MAX_FILE_SIZE) || 30))
+      return null;
+    else return response.headers;
+  } catch (err) {
+    console.log(err);
+    return null;
+  }
+}