123 lines
3.4 KiB
Rust
123 lines
3.4 KiB
Rust
use std::fs::File;
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use std::io::{self, BufReader};
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use std::path::{Path, PathBuf};
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use structopt::StructOpt;
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use tokio_rustls::rustls::internal::pemfile::{certs, rsa_private_keys};
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use tokio_rustls::rustls::{Certificate, NoClientAuth, PrivateKey, ServerConfig};
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#[derive(StructOpt, Debug)]
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struct Options {
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/// host to listen on
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#[structopt(short = "H", long, env = "HOST", default_value = "0.0.0.0")]
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host: String,
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/// port to listen on
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#[structopt(short = "p", long, env = "PORT", default_value = "1965")]
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port: u16,
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/// cert file
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#[structopt(short = "c", long = "cert", env = "CERT_FILE")]
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cert: PathBuf,
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/// key file
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#[structopt(short = "k", long = "key", env = "KEY_FILE")]
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key: PathBuf,
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/// server hostname
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#[structopt(
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long = "hostname",
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env = "SERVER_HOSTNAME",
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default_value = "maj.kahless.cetacean.club"
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)]
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hostname: String,
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}
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fn load_certs(path: &Path) -> io::Result<Vec<Certificate>> {
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certs(&mut BufReader::new(File::open(path)?))
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.map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "invalid cert"))
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}
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fn load_keys(path: &Path) -> io::Result<Vec<PrivateKey>> {
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rsa_private_keys(&mut BufReader::new(File::open(path)?))
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.map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "invalid key"))
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}
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#[tokio::main]
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async fn main() -> Result<(), maj::server::Error> {
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pretty_env_logger::init();
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let opts = Options::from_args();
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let certs = load_certs(&opts.cert)?;
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let mut keys = load_keys(&opts.key)?;
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log::info!("{:?}", opts);
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let mut config = ServerConfig::new(NoClientAuth::new());
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config
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.set_single_cert(certs, keys.remove(0))
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.map_err(|err| io::Error::new(io::ErrorKind::InvalidInput, err))?;
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maj::server::serve(
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&Handler {
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hostname: opts.hostname,
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},
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config,
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opts.host,
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opts.port,
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)
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.await?;
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Ok(())
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}
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struct Handler {
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hostname: String,
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}
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fn index() -> Result<maj::Response, maj::server::Error> {
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let msg = include_bytes!("index.gmi");
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Ok(maj::Response {
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status: maj::StatusCode::Success,
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meta: "text/gemini".to_string(),
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body: msg.to_vec(),
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})
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}
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fn majc() -> Result<maj::Response, maj::server::Error> {
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let msg = include_bytes!("majc.gmi");
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Ok(maj::Response {
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status: maj::StatusCode::Success,
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meta: "text/gemini".to_string(),
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body: msg.to_vec(),
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})
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}
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#[async_trait::async_trait]
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impl maj::server::Handler for Handler {
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async fn handle(&self, r: maj::server::Request) -> Result<maj::Response, maj::server::Error> {
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if r.url.has_host() && r.url.host_str().unwrap().to_string() != self.hostname {
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return Ok(maj::Response {
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status: maj::StatusCode::ProxyRequestRefused,
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meta: "Wrong host".to_string(),
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body: vec![],
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});
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}
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match r.url.path() {
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"" => Ok(maj::Response {
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status: maj::StatusCode::PermanentRedirect,
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meta: format!("gemini://{}/", self.hostname),
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body: vec![],
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}),
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"/" => index(),
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"/majc" => majc(),
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_ => Ok(maj::Response {
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status: maj::StatusCode::NotFound,
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meta: "Not found".to_string(),
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body: vec![],
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}),
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}
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}
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}
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