extern crate actix_web;
+extern crate listenfd;
extern crate askama;
+use listenfd::ListenFd;
use actix_files as fs;
use actix_web::{web, middleware, App, HttpServer, HttpResponse, Responder, Result, web::Query};
use askama::Template;
-use serde::{Deserialize};
+
+use std::io::prelude::*;
+use ron::de::from_reader;
+use serde::Deserialize;
+use std::{fs::File, env::args};
+
+use itertools::Itertools;
+
+mod consts;
+mod crypto;
#[derive(Template)]
#[template(path = "main.html")]
m: Option<String>
}
+static DEFAULT_MESSAGE: &str = "Marc, roule un pet'!";
+static KEY: &str = "secret";
+
fn main_page(query: Query<Request>) -> Result<HttpResponse> {
let m =
match &query.m {
- Some(b) => &b,
- None => "Marc, roule un pet'!"
+ Some(b) =>
+ match crypto::decrypt(KEY, b) {
+ Some(m) => m,
+ None => String::from(DEFAULT_MESSAGE)
+ },
+ None => String::from(DEFAULT_MESSAGE)
};
- let hello = MainTemplate { sentence: m };
+ let hello = MainTemplate { sentence: &m };
let s = hello.render().unwrap();
Ok(HttpResponse::Ok().content_type("text/html").body(s))
}
+#[derive(Debug, Deserialize)]
+struct Config {
+ port: u16
+}
+
+fn get_exe_name() -> String {
+ let first_arg = std::env::args().nth(0).unwrap();
+ //dbg!(&first_arg);
+ let sep: &[_] = &['\\', '/'];
+ first_arg[first_arg.rfind(sep).unwrap()+1..].to_string()
+}
+
+fn print_usage() {
+ println!("Usage:");
+ println!(" {} [--help] [--encrypt <message>]", get_exe_name());
+}
+
+fn read_key() -> String {
+ use url::percent_encoding::percent_decode;
+ let mut key = String::new();
+ File::open(consts::FILE_KEY)
+ .expect(&format!("Failed to open key file: {}", consts::FILE_KEY))
+ .read_to_string(&mut key)
+ .expect(&format!("Failed to read key file: {}", consts::FILE_KEY));
+
+ String::from(
+ percent_decode(key.as_bytes())
+ .decode_utf8()
+ .expect(&format!("Failed to decode key file: {}", consts::FILE_KEY))
+ )
+}
+
fn main() -> std::io::Result<()> {
- HttpServer::new(
- || {
- App::new()
- .wrap(middleware::Compress::default())
- .wrap(middleware::Logger::default())
- .service(web::resource("/").to(main_page))
- .service(fs::Files::new("/static", "static").show_files_listing())
+ let args: Vec<String> = args().collect();
+
+ let key = read_key();
+
+ if args.iter().any(|arg| arg == "--help") {
+ print_usage();
+ return Ok(());
+ } else if let Some((position_arg_encrypt, _)) = args.iter().find_position(|arg| arg == &"--encrypt") {
+ match args.iter().nth(position_arg_encrypt + 1) {
+ Some(mess_to_encrypt) => {
+ let encrypted_mess = crypto::encrypt(&key, mess_to_encrypt);
+ println!("Encrypted message: {}", encrypted_mess);
+ }
+ None => print_usage()
}
- )
- .bind("0.0.0.0:8082")
- .expect("Can not bind to port 8082")
- .run()
+
+ return Ok(());
+ }
+
+ println!("Starting RUP as web server...");
+
+ let config: Config = {
+ let f = File::open(consts::FILE_CONF).expect(&format!("Failed to open configuration file {}", consts::FILE_CONF));
+ match from_reader(f) {
+ Ok(c) => c,
+ Err(e) => panic!("Failed to load config: {}", e)
+ }
+ };
+
+ println!("Configuration: {:?}", config);
+
+ let mut listenfd = ListenFd::from_env();
+ let mut server =
+ HttpServer::new(
+ || {
+ App::new()
+ .wrap(middleware::Compress::default())
+ .wrap(middleware::Logger::default())
+ .service(web::resource("/").to(main_page))
+ .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()
}