#![allow(missing_docs)] #[macro_use] extern crate slog; #[macro_use] extern crate hyper; use cadence::prelude::*; use cadence::{BufferedUdpMetricSink, QueuingMetricSink, StatsdClient}; use clap::App; use fatcat::errors::Result; use fatcat::server; use iron::middleware::AfterMiddleware; use iron::modifiers::RedirectRaw; use iron::{status, Chain, Iron, IronResult, Request, Response}; use iron_slog::{DefaultLogFormatter, LoggerMiddleware}; use sentry::integrations::panic; use slog::{Drain, Logger}; use std::env; use std::net::UdpSocket; // HTTP header middleware header! { (XClacksOverhead, "X-Clacks-Overhead") => [String] } pub struct XClacksOverheadMiddleware; impl AfterMiddleware for XClacksOverheadMiddleware { fn after(&self, _req: &mut Request, mut res: Response) -> iron::IronResult { res.headers .set(XClacksOverhead("GNU aaronsw, jpb, pde".to_owned())); Ok(res) } } /// Create custom server, wire it to the autogenerated router, /// and pass it to the web server. fn main() -> Result<()> { let _matches = App::new("fatcatd") .version(env!("CARGO_PKG_VERSION")) .author("Bryan Newbold ") .about("Fatcat API Server") .get_matches(); dotenv::dotenv().ok(); let decorator = slog_term::TermDecorator::new().build(); let drain = slog_term::CompactFormat::new(decorator).build().fuse(); let drain = slog_async::Async::new(drain).build().fuse(); let logger = Logger::root(drain, o!()); let _scope_guard = slog_scope::set_global_logger(logger.clone()); slog_stdlog::init().unwrap(); let formatter = DefaultLogFormatter; // sentry exception handling let sentry_dsn = env::var("SENTRY_DSN"); let _guard = if let Ok(dsn) = sentry_dsn { let client = sentry::init(dsn); panic::register_panic_handler(); info!(logger, "Sentry configured via DSN"); Some(client) } else { info!(logger, "Sentry not configured"); None }; let mut server = server::create_server()?; // metrics reporting match env::var("FATCAT_STATSD_HOST") { Err(_) => { info!(logger, "no metrics recipient configured"); } Ok(host) => { let port: u16 = match env::var("FATCAT_STATSD_PORT") { Err(_) => cadence::DEFAULT_PORT, Ok(var) => var.parse::()?, // "expect FATCAT_STATSD_PORT to be null or an integer }; let socket = UdpSocket::bind("0.0.0.0:0").unwrap(); socket.set_nonblocking(true).unwrap(); let udp_sink = BufferedUdpMetricSink::from((host.as_ref(), port), socket).unwrap(); let queuing_sink = QueuingMetricSink::from(udp_sink); info!( logger, "sending statsd metrics via UDP to: {}:{}", host, port ); server.metrics = StatsdClient::from_sink("fatcat.api", queuing_sink); //server.metrics = StatsdClient::from_udp_host("fatcat.api", (host.as_ref(), port))?; server.metrics.incr("restart").unwrap(); } }; info!( logger, "using primary auth key: {}", server.auth_confectionary.identifier, ); info!( logger, "all auth keys: {:?}", server .auth_confectionary .root_keys .keys() .collect::>(), ); let mut router = fatcat_openapi::router(server); router.get("/", root_handler, "root-redirect"); router.get("/redoc", redoc_handler, "redoc-html"); router.get("/swagger-ui", swaggerui_handler, "swagger-ui-html"); router.get("/v0/openapi2.yml", yaml_handler, "openapi2-spec-yaml"); fn root_handler(_: &mut Request) -> IronResult { Ok(Response::with(( status::Found, RedirectRaw("/redoc".to_string()), ))) } fn redoc_handler(_: &mut Request) -> IronResult { let html_type = "text/html".parse::().unwrap(); Ok(Response::with(( html_type, status::Ok, include_str!("../../redoc/index.html"), ))) } fn swaggerui_handler(_: &mut Request) -> IronResult { let html_type = "text/html".parse::().unwrap(); Ok(Response::with(( html_type, status::Ok, include_str!("../../swagger-ui/index.html"), ))) } fn yaml_handler(_: &mut Request) -> IronResult { Ok(Response::with(( status::Ok, include_str!("../../../fatcat-openapi2.yml"), ))) } let host_port = "localhost:9411"; info!( logger, "Starting fatcatd API server version {} on http://{}", env!("CARGO_PKG_VERSION"), &host_port, ); let mut chain = Chain::new(LoggerMiddleware::new(router, logger, formatter)); // authentication chain.link_before(fatcat_openapi::server::ExtractAuthData); chain.link_before(fatcat::auth::MacaroonAuthMiddleware::new()); chain.link_after(XClacksOverheadMiddleware); // No HTTPS, only HTTP Iron::new(chain) .http(host_port) .expect("failed to start HTTP server"); Ok(()) }