34 lines
872 B
TypeScript
Executable File
34 lines
872 B
TypeScript
Executable File
#!/usr/bin/env runts -- --allow-read
|
|
|
|
import { parseArgs } from "jsr:@std/cli/parse-args";
|
|
|
|
const flags = parseArgs(Deno.args, {
|
|
boolean: ["help", "secure-random"],
|
|
string: ["length"],
|
|
});
|
|
|
|
if (flags.help) {
|
|
console.log("random.ts [--secure-random] [--length <length>]");
|
|
Deno.exit(0);
|
|
}
|
|
|
|
const len = parseInt(flags.length || "12", 10);
|
|
|
|
const randDevice = flags["secure-random"]? "/dev/random": "/dev/urandom";
|
|
|
|
const buffer = new Uint8Array(len);
|
|
const file = await Deno.open(randDevice, { read: true });
|
|
try {
|
|
const nread = await file.read(buffer);
|
|
if (nread == null) {
|
|
throw `Read from ${randDevice} failed`;
|
|
}
|
|
} finally {
|
|
file.close();
|
|
}
|
|
|
|
Deno.stdout.write(buffer);
|
|
|
|
// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20250919T000646+08:00.MEYCIQC4rLURXnLhxeA870Wv
|
|
// O9OFCHPUcepoqOMgVxT1sDgV7gIhAM5SoaS2EWjqDMngyPTufuwaqv4Gza8CXzddrKq68DTD
|