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<script src="curve25519_generate.js"></script>
<script>
/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
function generateWireguardKeypair()
{
var privateKey = Module._malloc(32);
var publicKey = Module._malloc(32);
Module._curve25519_generate_private(privateKey);
Module._curve25519_generate_public(publicKey, privateKey);
var privateBase64 = Module._malloc(45);
var publicBase64 = Module._malloc(45);
Module._key_to_base64(privateBase64, privateKey);
Module._key_to_base64(publicBase64, publicKey);
Module._free(privateKey);
Module._free(publicKey);
var keypair = {
publicKey: Module.Pointer_stringify(publicBase64),
privateKey: Module.Pointer_stringify(privateBase64)
};
Module._free(privateBase64);
Module._free(publicBase64);
return keypair;
}
function sendPubkeyToServer(pubkey, username, password)
{
alert("Sending " + username + ":" + password + " to server for new pubkey " + pubkey + "...");
// send info to server
var serverResponse = {
publicKey: "6spHEFoJrp9pijbxjJoS6fHjZaAWQqtdFFO/OtpVe3w=",
allowedIPs: [ "0.0.0.0/0", "::/0" ],
endpoint: "demo.wireguard.com:63321",
address: [ "192.168.18.42/32", "fd08:1234:1111::77/128" ],
dns: [ "8.8.8.8", "8.8.4.4" ]
}
return serverResponse;
}
function downloadNewConfiguration()
{
var keypair = generateWireguardKeypair();
var serverResponse = sendPubkeyToServer(keypair.publicKey, "zx2c4", "supersecretpassword");
var config = [];
config.push("[Interface]");
config.push("PrivateKey = " + keypair.privateKey);
config.push("Address = " + serverResponse.address.join(", "));
config.push("DNS = " + serverResponse.dns.join(", "));
config.push("");
config.push("[Peer]");
config.push("PublicKey = " + serverResponse.publicKey);
config.push("AllowedIPs = " + serverResponse.allowedIPs.join(", "));
config.push("Endpoint = " + serverResponse.endpoint);
config.push("");
config = config.join("\n");
var blob = new Blob([config], { type: "text/plain" });
var a = document.createElement("a");
a.download = "demo0.conf";
a.href = URL.createObjectURL(blob);
a.style.display = "none";
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
}
</script>
<a href="javascript:downloadNewConfiguration()">Download a WireGuard configuration file</a>
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