140 lines
4.8 KiB
Rust
140 lines
4.8 KiB
Rust
use std::fs;
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use std::env;
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use std::path::Path;
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use std::io::prelude::*;
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use std::io::ErrorKind;
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use std::net::TcpListener;
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use std::net::TcpStream;
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use std::process::Command;
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extern crate argparse;
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use argparse::{ArgumentParser, StoreTrue, Store};
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fn main() {
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let mut verbose = false;
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let mut host = "localhost".to_string();
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let mut port = 3000; // TODO: change to 300
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let mut root_dir = "/var/spartan/".to_string();
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// Arguments
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{
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let mut ap = ArgumentParser::new();
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ap.set_description("Experimental spartan server");
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ap.refer(&mut verbose)
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.add_option(&["-v", "--verbose"], StoreTrue,
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"Be verbose");
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ap.refer(&mut host)
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.add_option(&["--host"], Store,
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"Hostname");
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ap.refer(&mut port)
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.add_option(&["-p", "--port"], Store,
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"Port");
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ap.refer(&mut root_dir)
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.add_option(&["-d", "--root-dir"], Store,
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"Root directory");
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ap.parse_args_or_exit();
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}
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if verbose {
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println!("Work in progress");
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}
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println!("Starting gytheio on {}:{}", host, port);
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let listener = TcpListener::bind(format!("{}:{}", host, port)).unwrap();
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for stream in listener.incoming() {
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let stream = stream.unwrap();
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handle_connection(stream, root_dir.to_string());
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}
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}
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fn handle_connection(mut stream: TcpStream, root_dir: String) {
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let mut buffer = [0; 1024];
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stream.read(&mut buffer).unwrap();
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println!("{}", String::from_utf8_lossy(&buffer[..]));
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// let _echo = b"$hostname /echo 0\r\n"; // TODO: fix echo behaviour
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let request = String::from_utf8_lossy(&buffer[..]);
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let parsed_request: Vec<&str> = request.split(' ').collect();
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let _post: Vec<&str> = request.split('\n').collect();
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if parsed_request.len() != 3 {
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let status_line = "5 Request error";
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send_response(status_line, "".to_string(), stream);
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return;
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}
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let _post = _post[1].to_string();
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let _host = parsed_request[0];
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let _path = parsed_request[1];
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let _post_len = parsed_request[2];
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let status_line = if Path::new(&format!("{}{}", root_dir, _path).to_string()).exists() && !_path.contains(".."){
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"2 text/gemini"
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} else {
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"4 Not found"
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};
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let mut _contents = String::new();
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let full_path = format!("{}{}", root_dir, _path);
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let mut exists = Path::new(&format!("{}{}", root_dir, _path).to_string()).exists();
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if exists {
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if Path::new(&full_path).is_file() {
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_contents = fs::read_to_string(format!("{}{}", root_dir, _path)).unwrap();
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if _path.contains(".sh") {
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env::set_var("QUERY_STRING", _post);
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let command = Command::new(format!("{}", full_path)).output().unwrap();
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_contents = String::from_utf8(command.stdout).unwrap();
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}
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} else {
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exists = Path::new(&format!("{}{}/index.gmi", root_dir, _path).to_string()).exists();
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if exists {
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if _path.contains("..") {
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let status_line = "4 Not Found";
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send_response(status_line, "".to_string(), stream);
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return;
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}
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_contents = fs::read_to_string(format!("{}{}index.gmi", root_dir, _path)).unwrap_or_else(|error| {
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if error.kind() == ErrorKind::NotFound {
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panic!("NotFound error!");
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} else {
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panic!("Other error!");
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}
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});
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} else {
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if _path.contains("..") {
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let status_line = "4 Not Found";
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send_response(status_line, "".to_string(), stream);
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return;
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}
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_contents = format!("=> ..\n");
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let path_to_folder = full_path.clone();
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let files = fs::read_dir(path_to_folder).unwrap();
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for file in files {
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let path_to_folder = full_path.clone();
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let path = file.unwrap().path();
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let file = path.strip_prefix(path_to_folder);
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let file = file.unwrap().display();
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if path.is_dir() {
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_contents += &format!("=> {}/\n", file).to_string();
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} else {
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_contents += &format!("=> {}\n", file).to_string();
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}
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}
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}
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}
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}
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send_response(status_line, _contents, stream);
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}
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fn send_response(status_line: &str, contents: String, mut stream: TcpStream) {
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let response = format!(
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"{}\r\n{}",
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status_line,
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contents
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);
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stream.write(response.as_bytes()).unwrap();
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stream.flush().unwrap();
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}
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