if (hashHex !== sha256.toLowerCase()) setStatus("error"); alert("Checksum mismatch! The file may be corrupted."); return;
// Assemble the file const blob = new Blob(chunks); const arrayBuffer = await blob.arrayBuffer(); Download Battlefield 2 Bagas31
// Verify checksum setStatus("verifying"); const hashBuffer = await crypto.subtle.digest("SHA-256", arrayBuffer); const hashArray = Array.from(new Uint8Array(hashBuffer)); const hashHex = hashArray.map(b => b.toString(16).padStart(2, "0")).join(""); if (hashHex
return ( <button onClick=startDownload disabled= status === "verifying" className="px-4 py-2 bg-blue-600 text-white rounded disabled:opacity-50" > status === "idle" && "Download Battlefield 2" status === "downloading" && `Downloading… $progress%` status === "verifying" && "Verifying…" status === "ready" && "Ready – Click to Save" status === "error" && "Error – Try Again" </button> ); * It simply fetches a tiny `/ping
setStatus("ready"); ;
const startDownload = async () => setStatus("downloading"); const response = await fetch(url); if (!response.ok) return setStatus("error");
Replace url with the official patch URL (e.g., https://downloads.ea.com/bf2/patch_1.64.exe ) and sha256 with the checksum published by EA. /** * Returns the ping (ms) for a given mirror URL. * It simply fetches a tiny `/ping.txt` file (1‑2 KB) and measures elapsed time. */ export async function pingMirror(mirrorBase: string): Promise<number> const start = performance.now(); try await fetch(`$mirrorBase/ping.txt`, cache: "no-store" ); return Math.round(performance.now() - start); catch return Infinity; // unreachable