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-rw-r--r--contrib/examples/keygen-html/keygen.html130
1 files changed, 127 insertions, 3 deletions
diff --git a/contrib/examples/keygen-html/keygen.html b/contrib/examples/keygen-html/keygen.html
index 45efec7..d9365e0 100644
--- a/contrib/examples/keygen-html/keygen.html
+++ b/contrib/examples/keygen-html/keygen.html
@@ -7,7 +7,9 @@
function sendPubkeyToServer(pubkey, username, password)
{
- alert("Sending " + username + ":" + password + " to server for new pubkey " + pubkey + "...");
+ var node = document.createElement("li");
+ node.innerText = "Sending " + username + ":" + password + " to server for new pubkey " + pubkey + "...";
+ document.body.appendChild(node);
// send info to server
@@ -38,8 +40,12 @@ function downloadNewConfiguration()
config.push("AllowedIPs = " + serverResponse.allowedIPs.join(", "));
config.push("Endpoint = " + serverResponse.endpoint);
config.push("");
- config = config.join("\n");
+ return config.join("\n");
+}
+function giveOneConfigurationToUser()
+{
+ var config = downloadNewConfiguration();
var blob = new Blob([config], { type: "text/plain" });
var a = document.createElement("a");
a.download = "demo0.conf";
@@ -49,6 +55,124 @@ function downloadNewConfiguration()
a.click();
document.body.removeChild(a);
}
+
+function putU32(b, n)
+{
+ b.push(n & 0xff, (n >>> 8) & 0xff, (n >>> 16) & 0xff, (n >>> 24) & 0xff);
+}
+
+function putU16(b, n)
+{
+ b.push(n & 0xff, (n >>> 8) & 0xff);
+}
+
+function putBytes(b, a)
+{
+ for (var i = 0; i < a.length; ++i)
+ b.push(a[i] & 0xff);
+}
+
+function encodeString(s)
+{
+ var utf8 = unescape(encodeURIComponent(s));
+ var b = new Uint8Array(utf8.length);
+ for (var i = 0; i < utf8.length; ++i)
+ b[i] = utf8.charCodeAt(i);
+ return b;
+}
+
+function crc32(b)
+{
+ if (!crc32.table) {
+ crc32.table = [];
+ for (var c = 0, n = 0; n < 256; c = ++n) {
+ for (var k = 0; k < 8; ++k)
+ c = ((c & 1) ? (0xedb88320 ^ (c >>> 1)) : (c >>> 1));
+ crc32.table[n] = c;
+ }
+ }
+ var crc = -1;
+ for (var i = 0; i < b.length; ++i)
+ crc = (crc >>> 8) ^ crc32.table[(crc ^ b[i]) & 0xff];
+ return (crc ^ (-1)) >>> 0;
+}
+
+function createZipFile(files)
+{
+ var b = [];
+ var cd = [];
+ var offset = 0;
+
+ for (var i = 0; i < files.length; ++i) {
+ var name = encodeString(files[i].name);
+ var contents = encodeString(files[i].contents);
+ var crc = crc32(contents);
+
+ putU32(b, 0x04034b50); /* signature */
+ putU16(b, 20); /* version needed */
+ putU16(b, 0); /* flags */
+ putU16(b, 0); /* compression method */
+ putU16(b, 0); /* mtime */
+ putU16(b, 0); /* mdate */
+ putU32(b, crc); /* crc32 */
+ putU32(b, contents.length); /* compressed size */
+ putU32(b, contents.length); /* uncompressed size */
+ putU16(b, name.length); /* file name length */
+ putU16(b, 0); /* extra field length */
+ putBytes(b, name);
+ putBytes(b, contents);
+
+ putU32(cd, 0x02014b50); /* signature */
+ putU16(cd, 0); /* version made */
+ putU16(cd, 20); /* version needed */
+ putU16(cd, 0); /* flags */
+ putU16(cd, 0); /* compression method */
+ putU16(cd, 0); /* mtime */
+ putU16(cd, 0); /* mdate */
+ putU32(cd, crc); /* crc32 */
+ putU32(cd, contents.length); /* compressed size */
+ putU32(cd, contents.length); /* uncompressed size */
+ putU16(cd, name.length); /* file name length */
+ putU16(cd, 0); /* extra field length */
+ putU16(cd, 0); /* file comment length */
+ putU16(cd, 0); /* disk number start */
+ putU16(cd, 0); /* internal file attributes */
+ putU32(cd, 32); /* external file attributes - 'archive' bit set (32) */
+ putU32(cd, offset); /* relative offset of local header */
+ putBytes(cd, name); /* file name */
+
+ offset += 30 + contents.length + name.length
+ }
+ putBytes(b, cd); /* central directory */
+ putU32(b, 0x06054b50); /* end of central directory signature */
+ putU16(b, 0); /* number of this disk */
+ putU16(b, 0); /* number of disk with central directory start */
+ putU16(b, files.length); /* number of entries on disk */
+ putU16(b, files.length); /* number of entries */
+ putU32(b, cd.length); /* length of central directory */
+ putU32(b, offset); /* offset to start of central directory */
+ putU16(b, 0); /* zip comment size */
+ return Uint8Array.from(b);
+}
+
+function giveMultipleConfigurationsToUser()
+{
+ var zipFile = createZipFile([
+ { name: "demo0.conf", contents: downloadNewConfiguration() },
+ { name: "demo1.conf", contents: downloadNewConfiguration() },
+ { name: "demo2.conf", contents: downloadNewConfiguration() }
+ ]);
+ var blob = new Blob([zipFile], { type: "application/zip" });
+ var a = document.createElement("a");
+ a.download = "demo-configs.zip";
+ 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>
+<p><a href="javascript:giveOneConfigurationToUser()">Download a WireGuard configuration file</a></p>
+<p><a href="javascript:giveMultipleConfigurationsToUser()">Download several WireGuard configuration files</a></p>