mcstatusface/src/main.rs

277 lines
12 KiB
Rust

use std::io::Result;
use std::net::{IpAddr, ToSocketAddrs};
use std::str::FromStr;
use std::env;
use mcstatusface::http::{HttpServer, StatusCode};
use mcstatusface::status::MinecraftStatus;
use mcstatusface::dns::resolve_srv_port;
#[derive(serde::Serialize)]
struct MinecraftStatusResponse<'a> {
version: &'a String,
players: u32,
max_players: u32,
enforces_secure_chat: bool,
favicon: Option<&'a String>,
motd: String,
}
const DEFAULT_PORT: u16 = 25565;
fn main() -> Result<()> {
let args: Vec<String> = env::args().collect();
if args.len() < 2 {
println!(
r#"Crafty McStatusFace, v{} - made with <3 by ari melody
Host a web API:
$ mcstatusface serve [address[:port]]
Query a server:
$ mcstatusface <address[:port]>"#,
env!("CARGO_PKG_VERSION"));
std::process::exit(0);
}
if args[1] != "serve" {
let mut address = String::from(args[1].as_str());
if !address.contains(":") {
let port: u16 = match resolve_srv_port(&address) {
Some(port) => port,
None => DEFAULT_PORT,
};
address.push_str(":");
address.push_str(port.to_string().as_str());
}
let mut addrs_iter = address.to_socket_addrs().unwrap();
let address = addrs_iter.next().unwrap();
let status = MinecraftStatus::fetch(address).unwrap();
println!("Version: {} ({})", status.version.name, status.version.protocol);
println!("Players: {}/{}", status.players.online, status.players.max);
println!(
"Enforces Secure Chat: {}",
if status.enforces_secure_chat() { "true" } else { "false" },
);
println!("MOTD:");
println!("{}", status.parse_description());
return Ok(());
}
let mut address = "0.0.0.0:8080".to_string();
if args.len() > 2 { address = args[2].to_string() }
let trusted_proxies: Vec<IpAddr> =
match env::var("MCSTATUSFACE_TRUSTED_PROXIES") {
Err(_) => { vec![] }
Ok(envar) => {
let mut trusted_proxies: Vec<IpAddr> = Vec::new();
for addr in envar.split(",") {
match IpAddr::from_str(addr) {
Err(_) => {}
Ok(addr) => { trusted_proxies.push(addr); }
}
}
trusted_proxies
}
};
HttpServer::new(address, 16, trusted_proxies).start(|request, mut response| {
response.status(StatusCode::OK);
response.set_header("Content-Type", "text/plain".to_string());
response.set_header("x-powered-by", "GIRL FUEL".to_string());
if request.method() != "GET" {
response.status(StatusCode::NotFound);
return response.send()
}
if request.path() == "/style/index.css" {
let content = include_str!("public/style/index.css");
response.set_header("Content-Type", "text/css".to_string());
response.status(StatusCode::OK);
response.body(content.to_string());
return response.send();
}
if request.path() == "/" {
if request.headers().get("accept").is_some_and(
|accept| accept.contains("text/html")
) {
// HTML response
let content = include_str!("views/index.html");
response.set_header("Content-Type", "text/html".to_string());
response.status(StatusCode::OK);
let query_response: String;
match request.query().get("s") {
None => {
query_response = String::from("");
}
Some(query_address) => {
let mut address = query_address.to_string();
address = address.replace("%3A", ":");
if !address.contains(":") {
let port: u16 = match resolve_srv_port(&address) {
Some(port) => port,
None => DEFAULT_PORT,
};
address.push_str(":");
address.push_str(port.to_string().as_str());
}
match address.to_socket_addrs() {
Err(_) => {
response.status(StatusCode::BadRequest);
query_response = format!(
"<hr/>
<h2>Server Details</h2>
<pre><code>Invalid server address: {}.</pre></code>",
sanitize_html(&address.to_string()),
);
}
Ok(mut addrs_iter) => {
let address = addrs_iter.next().unwrap();
match MinecraftStatus::fetch(address) {
Err(e) => {
println!(
"Failed to connect to {} ({}): {}",
query_address, address, e);
response.status(StatusCode::InternalServerError);
query_response = format!(
"<hr/>
<h2>Server Details</h2>
<pre><code>Failed to connect to {}.</pre></code>",
sanitize_html(&address.to_string()),
);
}
Ok(status) => {
let minecraft_status = MinecraftStatusResponse{
version: &status.version.name,
players: status.players.online,
max_players: status.players.max,
enforces_secure_chat: status.enforces_secure_chat(),
favicon: status.favicon.as_ref(),
motd: status.parse_description(),
};
query_response = format!(
"<hr/>
<h2>Server Details</h2>
<p>
<strong>Favicon:</strong></br>
<img width=\"64\" height=\"64\" src=\"{}\"></br>
<strong>Version:</strong> <code>{}</code><br/>
<strong>Players:</strong> <code>{}/{}</code><br/>
<strong>Enforces Secure Chat:</strong> <code>{}</code></br>
<strong>MOTD:</strong>
</p>
<pre id=\"motd\"><code>{}</code></pre>",
sanitize_html(&minecraft_status.favicon.map_or("", |s| s).to_string()),
sanitize_html(minecraft_status.version).to_string(),
minecraft_status.players,
minecraft_status.max_players,
if minecraft_status.enforces_secure_chat { "true" } else { "false" },
sanitize_html(&minecraft_status.motd).to_string(),
);
}
}
}
}
}
}
let response_content = content
.replace("{{response}}", &query_response)
.replace("{{host}}", match request.headers().get("host") {
None => { "mcq.bliss.town" }
Some(host) => { host }
});
response.set_header("Content-Type", "text/html".to_string());
response.body(response_content.to_string());
return response.send();
}
// JSON response
match request.query().get("s") {
None => {
response.status(StatusCode::OK);
response.body("?s=<server address>\n".to_string());
return response.send();
}
Some(query_address) => {
let mut address = query_address.to_string();
address = address.replace("%3A", ":");
if !address.contains(":") {
let port: u16 = match resolve_srv_port(&address) {
Some(port) => port,
None => DEFAULT_PORT,
};
address.push_str(":");
address.push_str(port.to_string().as_str());
}
match address.to_socket_addrs() {
Err(_) => {
response.status(StatusCode::BadRequest);
response.body("Invalid server address.\n".to_string());
}
Ok(mut addrs_iter) => {
let address = addrs_iter.next().unwrap();
match MinecraftStatus::fetch(address) {
Err(_) => {
response.status(StatusCode::InternalServerError);
response.body(format!("Failed to connect to {address}.\n"));
}
Ok(status) => {
let minecraft_status = MinecraftStatusResponse{
version: &status.version.name,
players: status.players.online,
max_players: status.players.max,
enforces_secure_chat: status.enforces_secure_chat(),
favicon: status.favicon.as_ref(),
motd: status.parse_description(),
};
match serde_json::to_string(&minecraft_status) {
Err(e) => {
eprintln!("Failed to format response from {} to JSON: {}", address, e);
response.status(StatusCode::InternalServerError);
response.body("Internal Server Error\n".to_string());
}
Ok(json) => {
response.status(StatusCode::OK);
response.set_header("Content-Type", "application/json".to_string());
response.body(json + "\n");
}
}
}
}
}
}
return response.send()
}
}
}
response.status(StatusCode::NotFound);
response.body("Not Found".to_string());
return response.send();
}).unwrap();
Ok(())
}
fn sanitize_html(input: &String) -> String {
input
.replace("&", "&amp;")
.replace("<", "&lt;")
.replace(">", "&gt;")
.replace("\"", "&quot;")
.replace("'", "&#x27;")
}