+++ /dev/null
-
-extern crate listenfd;
-extern crate askama;
-extern crate percent_encoding;
-
-use listenfd::ListenFd;
-use actix_files as fs;
-use actix_web::{ web, middleware, App, HttpServer, HttpResponse, web::Query };
-use askama::Template;
-
-use std::{ fs::File, path::Path, env::args, io::prelude::* };
-use ron::{ de::from_reader, ser::{ to_string_pretty, PrettyConfig } };
-use serde::{ Deserialize, Serialize };
-
-use itertools::Itertools;
-
-mod consts;
-mod crypto;
-
-#[derive(Template)]
-#[template(path = "main.html")]
-struct MainTemplate<'a> {
- sentence: &'a str,
-}
-
-#[derive(Deserialize)]
-pub struct Request {
- m: Option<String>
-}
-
-fn main_page(query: Query<Request>, key: &str) -> HttpResponse {
- let m =
- match &query.m {
- Some(b) =>
- match crypto::decrypt(key, b) {
- Ok(m) => m,
- Err(_e) => String::from(consts::DEFAULT_MESSAGE) // TODO: log error.
- },
- None => String::from(consts::DEFAULT_MESSAGE)
- };
-
- let hello = MainTemplate { sentence: &m };
-
- let s = hello.render().unwrap();
- HttpResponse::Ok().content_type("text/html").body(s)
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-struct Config {
- port: u16
-}
-
-const DEFAULT_CONFIG: Config = Config { port: 8082 };
-
-fn get_exe_name() -> String {
- let first_arg = std::env::args().next().unwrap();
- let sep: &[_] = &['\\', '/'];
- first_arg[first_arg.rfind(sep).unwrap()+1..].to_string()
-}
-
-fn load_config() -> Config {
- // unwrap_or_else(|_| panic!("Failed to open configuration file {}", consts::FILE_CONF));
- match File::open(consts::FILE_CONF) {
- Ok(file) => from_reader(file).unwrap_or_else(|_| panic!("Failed to open configuration file {}", consts::FILE_CONF)),
- Err(_) => {
- let mut file = File::create(consts::FILE_CONF) .unwrap();
- file.write_all(to_string_pretty(&DEFAULT_CONFIG, PrettyConfig::new()).unwrap().as_bytes()).unwrap(); // We do not use 'to_writer' because it can't pretty format the output.
- DEFAULT_CONFIG
- }
- }
-}
-
-fn read_key() -> String {
- let mut key = String::new();
- File::open(consts::FILE_KEY)
- .unwrap_or_else(|_| panic!("Failed to open key file: {}", consts::FILE_KEY))
- .read_to_string(&mut key)
- .unwrap_or_else(|_| panic!("Failed to read key file: {}", consts::FILE_KEY));
-
- String::from(
- percent_encoding::percent_decode(key.replace('\n', "").as_bytes())
- .decode_utf8()
- .unwrap_or_else(|_| panic!("Failed to decode key file: {}", consts::FILE_KEY))
- )
-}
-
-fn write_key(key : &str) {
- let percent_encoded = percent_encoding::utf8_percent_encode(key, percent_encoding::NON_ALPHANUMERIC).to_string();
- let mut file = File::create(consts::FILE_KEY).unwrap();
- file.write_all(percent_encoded.as_bytes()).unwrap();
-}
-
-#[actix_rt::main]
-async fn main() -> std::io::Result<()> {
- let key = {
- // If the key file doesn't exist then create a new one with a random key in it.
- if !Path::new(consts::FILE_KEY).exists() {
- let new_key = crypto::generate_key();
- write_key(&new_key);
- println!("A key has been generated here: {}", consts::FILE_KEY);
- new_key
- } else {
- read_key()
- }
- };
-
- if process_args(&key) { return Ok(()) }
-
- println!("Starting RUP as web server...");
-
- let config = load_config();
-
- println!("Configuration: {:?}", config);
-
- let mut listenfd = ListenFd::from_env();
- let mut server =
- HttpServer::new(
- move || {
- let key = key.clone(); // Is this neccessary??
-
- App::new()
- .wrap(middleware::Compress::default())
- .wrap(middleware::Logger::default())
- .service(web::resource("/").to(move |query| main_page(query, &key)))
- .service(fs::Files::new("/static", "static").show_files_listing())
- }
- );
-
- server =
- if let Some(l) = listenfd.take_tcp_listener(0).unwrap() {
- server.listen(l).unwrap()
- } else {
- server.bind(&format!("0.0.0.0:{}", config.port)).unwrap()
- };
-
- server.run().await
-}
-
-fn process_args(key: &str) -> bool {
- fn print_usage() {
- println!("Usage:");
- println!(" {} [--help] [--encrypt <plain-text> | --decrypt <cipher-text>]", get_exe_name());
- }
-
- let args: Vec<String> = args().collect();
-
- if args.iter().any(|arg| arg == "--help") {
- print_usage();
- return true
- } else if let Some((position_arg_encrypt, _)) = args.iter().find_position(|arg| arg == &"--encrypt") {
- match args.get(position_arg_encrypt + 1) {
- Some(mess_to_encrypt) => {
- // Encrypt to version 2 (version 1 is obsolete).
- match crypto::encrypt(&key, mess_to_encrypt, 2) {
- Ok(encrypted_mess) => {
- let encrypted_mess_encoded = percent_encoding::utf8_percent_encode(&encrypted_mess, percent_encoding::NON_ALPHANUMERIC).to_string();
- println!("Encrypted message percent-encoded: {}", encrypted_mess_encoded); },
- Err(error) =>
- println!("Unable to encrypt: {:?}", error)
- }
- }
- None => print_usage()
- }
-
- return true
- } else if let Some((position_arg_decrypt, _)) = args.iter().find_position(|arg| arg == &"--decrypt") {
- match args.get(position_arg_decrypt + 1) {
- Some(cipher_text) => {
- let cipher_text_decoded = percent_encoding::percent_decode(cipher_text.as_bytes()).decode_utf8().expect("Unable to decode encoded cipher text");
- match crypto::decrypt(&key, &cipher_text_decoded) {
- Ok(plain_text) =>
- println!("Decrypted message: {}", plain_text),
- Err(error) =>
- println!("Unable to decrypt: {:?}", error)
- }
- }
- None => print_usage()
- }
-
- return true
- }
-
- false
-}
projects / rup.git / blobdiff