// Global specifiers #![forbid(unsafe_code)] #![warn(clippy::pedantic, clippy::all)] #![allow( clippy::needless_pass_by_value, clippy::match_wildcard_for_single_variants, clippy::cast_possible_truncation, clippy::similar_names, clippy::cast_possible_wrap, clippy::find_map )] // Reference local files mod post; mod search; mod settings; mod subreddit; mod user; mod utils; // Import Crates use clap::{App as cli, Arg}; use futures_lite::FutureExt; use hyper::{header::HeaderValue, Body, Request, Response}; mod client; use client::proxy; use server::RequestExt; use utils::{error, redirect}; mod server; // Create Services // Required for the manifest to be valid async fn pwa_logo() -> Result, String> { Ok( Response::builder() .status(200) .header("content-type", "image/png") .body(include_bytes!("../static/logo.png").as_ref().into()) .unwrap_or_default(), ) } // Required for iOS App Icons async fn iphone_logo() -> Result, String> { Ok( Response::builder() .status(200) .header("content-type", "image/png") .body(include_bytes!("../static/apple-touch-icon.png").as_ref().into()) .unwrap_or_default(), ) } async fn favicon() -> Result, String> { Ok( Response::builder() .status(200) .header("content-type", "image/vnd.microsoft.icon") .header("Cache-Control", "public, max-age=1209600, s-maxage=86400") .body(include_bytes!("../static/favicon.ico").as_ref().into()) .unwrap_or_default(), ) } async fn resource(body: &str, content_type: &str, cache: bool) -> Result, String> { let mut res = Response::builder() .status(200) .header("content-type", content_type) .body(body.to_string().into()) .unwrap_or_default(); if cache { if let Ok(val) = HeaderValue::from_str("public, max-age=1209600, s-maxage=86400") { res.headers_mut().insert("Cache-Control", val); } } Ok(res) } #[tokio::main] async fn main() { let matches = cli::new("Libreddit") .version(env!("CARGO_PKG_VERSION")) .about("Private front-end for Reddit written in Rust ") .arg( Arg::with_name("address") .short("a") .long("address") .value_name("ADDRESS") .help("Sets address to listen on") .default_value("0.0.0.0") .takes_value(true), ) .arg( Arg::with_name("port") .short("p") .long("port") .value_name("PORT") .help("Port to listen on") .default_value("8080") .takes_value(true), ) .arg( Arg::with_name("redirect-https") .short("r") .long("redirect-https") .help("Redirect all HTTP requests to HTTPS (no longer functional)") .takes_value(false), ) .arg( Arg::with_name("hsts") .short("H") .long("hsts") .value_name("EXPIRE_TIME") .help("HSTS header to tell browsers that this site should only be accessed over HTTPS") .default_value("604800") .takes_value(true), ) .get_matches(); let address = matches.value_of("address").unwrap_or("0.0.0.0"); let port = matches.value_of("port").unwrap_or("8080"); let hsts = matches.value_of("hsts"); let listener = format!("{}:{}", address, port); println!("Starting Libreddit..."); // Begin constructing a server let mut app = server::Server::new(); // Define default headers (added to all responses) app.default_headers = headers! { "Referrer-Policy" => "no-referrer", "X-Content-Type-Options" => "nosniff", "X-Frame-Options" => "DENY", "Content-Security-Policy" => "default-src 'none'; manifest-src 'self'; media-src 'self'; style-src 'self' 'unsafe-inline'; base-uri 'none'; img-src 'self' data:; form-action 'self'; frame-ancestors 'none';" }; if let Some(expire_time) = hsts { if let Ok(val) = HeaderValue::from_str(&format!("max-age={}", expire_time)) { app.default_headers.insert("Strict-Transport-Security", val); } } // Read static files app.at("/style.css").get(|_| resource(include_str!("../static/style.css"), "text/css", false).boxed()); app .at("/manifest.json") .get(|_| resource(include_str!("../static/manifest.json"), "application/json", false).boxed()); app.at("/robots.txt").get(|_| resource("User-agent: *\nAllow: /", "text/plain", true).boxed()); app.at("/favicon.ico").get(|_| favicon().boxed()); app.at("/logo.png").get(|_| pwa_logo().boxed()); app.at("/touch-icon-iphone.png").get(|_| iphone_logo().boxed()); app.at("/apple-touch-icon.png").get(|_| iphone_logo().boxed()); // Proxy media through Libreddit app.at("/vid/:id/:size").get(|r| proxy(r, "https://v.redd.it/{id}/DASH_{size}").boxed()); app.at("/img/:id").get(|r| proxy(r, "https://i.redd.it/{id}").boxed()); app.at("/thumb/:point/:id").get(|r| proxy(r, "https://{point}.thumbs.redditmedia.com/{id}").boxed()); app.at("/emoji/:id/:name").get(|r| proxy(r, "https://emoji.redditmedia.com/{id}/{name}").boxed()); app.at("/preview/:loc/:id/:query").get(|r| proxy(r, "https://{loc}view.redd.it/{id}?{query}").boxed()); app.at("/style/*path").get(|r| proxy(r, "https://styles.redditmedia.com/{path}").boxed()); app.at("/static/*path").get(|r| proxy(r, "https://www.redditstatic.com/{path}").boxed()); // Browse user profile app .at("/u/:name") .get(|r| async move { Ok(redirect(format!("/user/{}", r.param("name").unwrap_or_default()))) }.boxed()); app.at("/u/:name/comments/:id/:title").get(|r| post::item(r).boxed()); app.at("/u/:name/comments/:id/:title/:comment_id").get(|r| post::item(r).boxed()); app.at("/user/[deleted]").get(|req| error(req, "User has deleted their account".to_string()).boxed()); app.at("/user/:name").get(|r| user::profile(r).boxed()); app.at("/user/:name/comments/:id").get(|r| post::item(r).boxed()); app.at("/user/:name/comments/:id/:title").get(|r| post::item(r).boxed()); app.at("/user/:name/comments/:id/:title/:comment_id").get(|r| post::item(r).boxed()); // Configure settings app.at("/settings").get(|r| settings::get(r).boxed()).post(|r| settings::set(r).boxed()); app.at("/settings/restore").get(|r| settings::restore(r).boxed()); // Subreddit services app.at("/r/:sub").get(|r| subreddit::community(r).boxed()); app .at("/r/u_:name") .get(|r| async move { Ok(redirect(format!("/user/{}", r.param("name").unwrap_or_default()))) }.boxed()); app.at("/r/:sub/subscribe").post(|r| subreddit::subscriptions(r).boxed()); app.at("/r/:sub/unsubscribe").post(|r| subreddit::subscriptions(r).boxed()); app.at("/r/:sub/comments/:id").get(|r| post::item(r).boxed()); app.at("/r/:sub/comments/:id/:title").get(|r| post::item(r).boxed()); app.at("/r/:sub/comments/:id/:title/:comment_id").get(|r| post::item(r).boxed()); app.at("/r/:sub/search").get(|r| search::find(r).boxed()); app .at("/r/:sub/w") .get(|r| async move { Ok(redirect(format!("/r/{}/wiki", r.param("sub").unwrap_or_default()))) }.boxed()); app .at("/r/:sub/w/:page") .get(|r| async move { Ok(redirect(format!("/r/{}/wiki/{}", r.param("sub").unwrap_or_default(), r.param("wiki").unwrap_or_default()))) }.boxed()); app.at("/r/:sub/wiki").get(|r| subreddit::wiki(r).boxed()); app.at("/r/:sub/wiki/:page").get(|r| subreddit::wiki(r).boxed()); app.at("/r/:sub/about/sidebar").get(|r| subreddit::sidebar(r).boxed()); app.at("/r/:sub/:sort").get(|r| subreddit::community(r).boxed()); // Comments handler app.at("/comments/:id").get(|r| post::item(r).boxed()); // Front page app.at("/").get(|r| subreddit::community(r).boxed()); // View Reddit wiki app.at("/w").get(|_| async { Ok(redirect("/wiki".to_string())) }.boxed()); app .at("/w/:page") .get(|r| async move { Ok(redirect(format!("/wiki/{}", r.param("page").unwrap_or_default()))) }.boxed()); app.at("/wiki").get(|r| subreddit::wiki(r).boxed()); app.at("/wiki/:page").get(|r| subreddit::wiki(r).boxed()); // Search all of Reddit app.at("/search").get(|r| search::find(r).boxed()); // Handle about pages app.at("/about").get(|req| error(req, "About pages aren't added yet".to_string()).boxed()); app.at("/:id").get(|req: Request| match req.param("id").as_deref() { // Sort front page Some("best") | Some("hot") | Some("new") | Some("top") | Some("rising") | Some("controversial") => subreddit::community(req).boxed(), // Short link for post Some(id) if id.len() > 4 && id.len() < 7 => post::item(req).boxed(), // Error message for unknown pages _ => error(req, "Nothing here".to_string()).boxed(), }); // Default service in case no routes match app.at("/*").get(|req| error(req, "Nothing here".to_string()).boxed()); println!("Running Libreddit v{} on {}!", env!("CARGO_PKG_VERSION"), listener); let server = app.listen(listener); // Run this server for... forever! if let Err(e) = server.await { eprintln!("Server error: {}", e); } }