58 lines
2.2 KiB
Rust
58 lines
2.2 KiB
Rust
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use clap::{App, Arg};
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use rand::{thread_rng, Rng};
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fn generate_password(length: usize, lowercase: bool, uppercase: bool, special: bool, numeric: bool) -> String {
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let mut password = String::new();
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let mut rng = thread_rng();
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let mut chars = Vec::new();
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let lowercase_chars = "abcdefghijklmnopqrstuvwxyz";
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let uppercase_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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let special_chars = "!@#$%^&*()-_=+[{]}\\|;:'\",<.>/?";
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let numeric_chars = "0123456789";
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if lowercase {
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chars.extend(lowercase_chars.chars());
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}
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if uppercase {
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chars.extend(uppercase_chars.chars());
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}
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if special {
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chars.extend(special_chars.chars());
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}
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if numeric {
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chars.extend(numeric_chars.chars());
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}
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if chars.is_empty() {
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// If no character types are specified, default to using all character types
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chars.extend(lowercase_chars.chars());
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chars.extend(uppercase_chars.chars());
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chars.extend(special_chars.chars());
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chars.extend(numeric_chars.chars());
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}
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for _ in 0..length {
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let idx = rng.gen_range(0..chars.len());
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password.push(chars[idx]);
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}
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password
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}
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fn main() {
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let matches = App::new("pass2gen")
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.about("Generate a random password")
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.arg(Arg::with_name("length").help("Sets the length of the password").default_value("12").index(1))
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.arg(Arg::with_name("lowercase").short("l").long("lowercase").help("Include lowercase letters"))
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.arg(Arg::with_name("uppercase").short("u").long("uppercase").help("Include uppercase letters"))
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.arg(Arg::with_name("special").short("s").long("special").help("Include special characters"))
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.arg(Arg::with_name("numeric").short("n").long("numeric").help("Include numbers"))
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.setting(clap::AppSettings::DisableVersion)
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.get_matches();
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let length = matches.value_of("length").unwrap().parse::<usize>().unwrap();
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let lowercase = matches.is_present("lowercase");
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let uppercase = matches.is_present("uppercase");
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let special = matches.is_present("special");
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let numeric = matches.is_present("numeric");
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let password = generate_password(length, lowercase, uppercase, special, numeric);
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println!("{}", password);
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}
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