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// Copyright (C) 2018 Vincent Ambo <mail@tazj.in>
//
// Converse is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see
// <http://www.gnu.org/licenses/>.
#[macro_use]
extern crate diesel;
#[macro_use]
extern crate log;
#[macro_use]
extern crate tera;
#[macro_use]
extern crate serde_derive;
#[macro_use]
extern crate failure;
extern crate actix;
extern crate actix_web;
extern crate chrono;
extern crate comrak;
extern crate env_logger;
extern crate futures;
extern crate hyper;
extern crate md5;
extern crate r2d2;
extern crate rand;
extern crate reqwest;
extern crate serde;
extern crate serde_json;
extern crate tokio;
extern crate tokio_timer;
extern crate url;
extern crate url_serde;
pub mod db;
pub mod errors;
pub mod handlers;
pub mod models;
pub mod oidc;
pub mod render;
pub mod schema;
use actix::prelude::*;
use actix_web::*;
use actix_web::middleware::{Logger, SessionStorage, CookieSessionBackend};
use actix_web::http::Method;
use db::*;
use diesel::pg::PgConnection;
use diesel::r2d2::{ConnectionManager, Pool};
use std::env;
use rand::{OsRng, Rng};
use handlers::*;
fn config(name: &str) -> String {
env::var(name).expect(&format!("{} must be set", name))
}
fn config_default(name: &str, default: &str) -> String {
env::var(name).unwrap_or(default.into())
}
fn main() {
env_logger::init();
info!("Welcome to Converse! Hold on tight while we're getting ready.");
let sys = actix::System::new("converse");
info!("Initialising database connection pool ...");
let db_url = config("DATABASE_URL");
let manager = ConnectionManager::<PgConnection>::new(db_url);
let pool = Pool::builder().build(manager).expect("Failed to initialise DB pool");
let db_addr = SyncArbiter::start(2, move || DbExecutor(pool.clone()));
schedule_search_refresh(db_addr.clone());
info!("Initialising OIDC integration ...");
let oidc_url = config("OIDC_DISCOVERY_URL");
let oidc_config = oidc::load_oidc(&oidc_url)
.expect("Failed to retrieve OIDC discovery document");
let base_url = config("BASE_URL");
let oidc = oidc::OidcExecutor {
oidc_config,
client_id: config("OIDC_CLIENT_ID"),
client_secret: config("OIDC_CLIENT_SECRET"),
redirect_uri: format!("{}/oidc/callback", config("BASE_URL")),
};
let oidc_addr: Addr<Syn, oidc::OidcExecutor> = oidc.start();
info!("Compiling templates ...");
let template_path = concat!(env!("CARGO_MANIFEST_DIR"), "/templates/**/*");
let mut tera = compile_templates!(template_path);
tera.autoescape_on(vec![]);
let comrak = comrak::ComrakOptions{
github_pre_lang: true,
ext_strikethrough: true,
ext_table: true,
ext_autolink: true,
ext_tasklist: true,
ext_footnotes: true,
..Default::default()
};
let renderer = render::Renderer{ tera, comrak };
let renderer_addr: Addr<Syn, render::Renderer> = renderer.start();
info!("Initialising HTTP server ...");
let bind_host = config_default("CONVERSE_BIND_HOST", "127.0.0.1:4567");
let key = {
let mut key_bytes = [0; 32];
let mut rng = OsRng::new()
.expect("Failed to retrieve RNG for key generation");
rng.fill_bytes(&mut key_bytes);
key_bytes
};
let require_login = config_default("REQUIRE_LOGIN", "true".into()) == "true";
server::new(move || {
let state = AppState {
db: db_addr.clone(),
oidc: oidc_addr.clone(),
renderer: renderer_addr.clone(),
};
let sessions = SessionStorage::new(
CookieSessionBackend::signed(&key)
.secure(base_url.starts_with("https")));
let app = App::with_state(state)
.middleware(Logger::default())
.middleware(sessions)
.resource("/", |r| r.method(Method::GET).with(forum_index))
.resource("/thread/new", |r| r.method(Method::GET).with(new_thread))
.resource("/thread/submit", |r| r.method(Method::POST).with3(submit_thread))
.resource("/thread/reply", |r| r.method(Method::POST).with3(reply_thread))
.resource("/thread/{id}", |r| r.method(Method::GET).with2(forum_thread))
.resource("/search", |r| r.method(Method::POST).with2(search_forum))
.resource("/oidc/login", |r| r.method(Method::GET).with(login))
.resource("/oidc/callback", |r| r.method(Method::POST).with3(callback));
if require_login {
app.middleware(RequireLogin)
} else {
app
}})
.bind(&bind_host).expect(&format!("Could not bind on '{}'", bind_host))
.start();
let _ = sys.run();
}
fn schedule_search_refresh(db: Addr<Syn, DbExecutor>) {
use tokio::prelude::*;
use tokio::timer::Interval;
use std::time::{Duration, Instant};
use std::thread;
let task = Interval::new(Instant::now(), Duration::from_secs(60))
.from_err()
.for_each(move |_| db.send(db::RefreshSearchView).flatten())
.map_err(|err| error!("Error while updating search view: {}", err));
//.and_then(|_| debug!("Refreshed search view in DB"));
thread::spawn(|| tokio::run(task));
}
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