Everywhere: Initial working version
This commit is contained in:
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GPG key ID:
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3 changed files with 634 additions and 2 deletions
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||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||
|
|
|
|||
|
|
@ -6,3 +6,8 @@ edition = "2021"
|
|||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
clap = { version = "4.4.7", features = ["derive", "env"] }
|
||||
env_logger = "0.10.0"
|
||||
escape_string = "0.1.2"
|
||||
log = "0.4.20"
|
||||
rand = "0.8.5"
|
||||
|
|
|
|||
179
src/main.rs
179
src/main.rs
|
|
@ -1,3 +1,178 @@
|
|||
fn main() {
|
||||
println!("Hello, world!");
|
||||
use std::fmt::{self, Formatter, Display};
|
||||
use std::fs;
|
||||
use std::io;
|
||||
use std::process;
|
||||
use std::iter;
|
||||
|
||||
use rand::rngs::ThreadRng;
|
||||
use rand::{thread_rng, Rng};
|
||||
|
||||
use clap::{Parser, ValueEnum};
|
||||
|
||||
#[derive(Debug, Clone, ValueEnum)]
|
||||
enum CharacterSet {
|
||||
Alphabetic,
|
||||
Alphanumeric,
|
||||
Hexadecimal,
|
||||
Decimal,
|
||||
Base64,
|
||||
}
|
||||
|
||||
impl CharacterSet {
|
||||
fn charset(&self) -> Vec<char> {
|
||||
match self {
|
||||
Self::Alphabetic => ('A'..='Z').chain('a'..='z').collect(),
|
||||
Self::Alphanumeric => ('0'..='9').chain('A'..='Z').chain('a'..='z').collect(),
|
||||
Self::Hexadecimal => ('0'..='9').chain('a'..='f').collect(),
|
||||
Self::Decimal => ('0'..='9').collect(),
|
||||
Self::Base64 => ('0'..='9').chain('A'..='Z').chain('a'..='z').chain(vec!['+', '/', '=']).collect(),
|
||||
}
|
||||
}
|
||||
|
||||
fn non_matching_characters(&self, string: &str) -> Vec<char> {
|
||||
let charset = self.charset();
|
||||
|
||||
string.chars().filter(|input_character| !charset.contains(input_character)).collect()
|
||||
}
|
||||
|
||||
fn generate(&self, length: usize, rng: &mut ThreadRng) -> String {
|
||||
let charset = self.charset();
|
||||
|
||||
iter::repeat_with(|| charset[rng.gen_range(0..charset.len())]).take(length).collect()
|
||||
}
|
||||
}
|
||||
|
||||
impl Display for CharacterSet {
|
||||
fn fmt(&self, formatter: &mut Formatter<'_>) -> fmt::Result {
|
||||
match self {
|
||||
Self::Alphabetic => write!(formatter, "Alphabetic [A-Za-z]"),
|
||||
Self::Alphanumeric => write!(formatter, "Alphanumeric [0-9A-Za-z]"),
|
||||
Self::Hexadecimal => write!(formatter, "Hexadecimal [0-9a-f]"),
|
||||
Self::Decimal => write!(formatter, "Decimal [0-9]"),
|
||||
Self::Base64 => write!(formatter, "Base64 [0-9A-Za-z+/=]"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, ValueEnum)]
|
||||
enum BranchType {
|
||||
Exit,
|
||||
Error,
|
||||
Override,
|
||||
}
|
||||
|
||||
impl Display for BranchType {
|
||||
fn fmt(&self, formatter: &mut Formatter<'_>) -> fmt::Result {
|
||||
match self {
|
||||
Self::Exit => write!(formatter, "Exit"),
|
||||
Self::Error => write!(formatter, "Error"),
|
||||
Self::Override => write!(formatter, "Override"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Generate random strings and put them in a file
|
||||
#[derive(Parser, Debug)]
|
||||
#[command(author, version, about, long_about = None)]
|
||||
struct Arguments {
|
||||
/// An optional path write generated output to
|
||||
path: Option<String>,
|
||||
|
||||
/// The number of characters to generate (not bytes)
|
||||
#[arg(long, env)]
|
||||
length: usize,
|
||||
|
||||
/// The character set to use when generating
|
||||
#[arg(long, env)]
|
||||
character_set: CharacterSet,
|
||||
|
||||
/// What to do when a file already exists at the given path
|
||||
#[arg(long, env, default_value = "error")]
|
||||
when_file_exists: BranchType,
|
||||
|
||||
/// What to do when the content of a file at the given path does not match the character set or length
|
||||
#[arg(long, env, default_value = "error")]
|
||||
when_file_content_does_not_match: BranchType,
|
||||
}
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
env_logger::init_from_env(env_logger::Env::default().filter_or(env_logger::DEFAULT_FILTER_ENV, "debug"));
|
||||
|
||||
let arguments = Arguments::parse();
|
||||
let path = arguments.path;
|
||||
let character_set = arguments.character_set;
|
||||
let length = arguments.length;
|
||||
|
||||
let exists = if path.is_none() {
|
||||
log::debug!("No file path has been provided, printing to stdout.");
|
||||
|
||||
false
|
||||
} else {
|
||||
match fs::metadata(path.clone().unwrap()) {
|
||||
Ok(_) => Ok(true),
|
||||
Err(error) if error.kind() == io::ErrorKind::NotFound => Ok(false),
|
||||
Err(error) => Err(error),
|
||||
}?
|
||||
};
|
||||
|
||||
if exists {
|
||||
match arguments.when_file_exists {
|
||||
BranchType::Exit => {
|
||||
log::info!("File exists, exiting.");
|
||||
process::exit(0);
|
||||
},
|
||||
BranchType::Error => {
|
||||
log::error!("File exists, exiting.");
|
||||
process::exit(1);
|
||||
}
|
||||
BranchType::Override => (),
|
||||
};
|
||||
|
||||
let content = fs::read_to_string(path.clone().unwrap())?;
|
||||
|
||||
let non_matching_characters = character_set.non_matching_characters(&content);
|
||||
let content_length = content.len();
|
||||
|
||||
if non_matching_characters.is_empty() && content_length == length {
|
||||
log::debug!("File exists, matches character set and length, exiting.");
|
||||
|
||||
return Ok(());
|
||||
} else {
|
||||
let found_non_matching = non_matching_characters.iter().take(5).collect::<String>();
|
||||
let found_non_matching = escape_string::escape(found_non_matching.as_str());
|
||||
let found_non_matching = if non_matching_characters.len() > 5 {
|
||||
found_non_matching + "..."
|
||||
} else {
|
||||
found_non_matching
|
||||
};
|
||||
|
||||
match arguments.when_file_content_does_not_match {
|
||||
BranchType::Exit => {
|
||||
log::info!("File exists, does not match character set (found [{}]) or length (found {}), exiting.", found_non_matching, content_length);
|
||||
process::exit(0);
|
||||
},
|
||||
BranchType::Error => {
|
||||
log::error!("File exists, does not match character set (found [{}]) or length (found {}), exiting.", found_non_matching, content_length);
|
||||
process::exit(1);
|
||||
},
|
||||
BranchType::Override => {
|
||||
log::debug!("File exists, does not match character set (found [{}]) or length (found {}).", found_non_matching, content_length);
|
||||
},
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
log::debug!("Generating using {} with length {}", character_set, length);
|
||||
|
||||
let mut rng = thread_rng();
|
||||
let generated = character_set.generate(arguments.length, &mut rng);
|
||||
|
||||
if let Some(path) = path {
|
||||
log::debug!("Writing to {}", path);
|
||||
fs::write(path, &generated)?;
|
||||
} else {
|
||||
println!("{}", generated);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue