1 files changed, 113 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..8692668
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,113 @@
+/* Copyright (C) 2023  Ben Morrison <ben@gbmor.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https: *www.gnu.org/licenses/>.
+ */
+
+use std::process;
+
+use tokio::io::AsyncWriteExt;
+
+mod conf;
+mod err;
+mod file;
+mod handlers;
+mod logging;
+mod response;
+
+static LAIKA_VERSION: &str = "0.1";
+
+#[tokio::main]
+async fn main() {
+    let conf = match conf::Conf::new() {
+        Ok(v) => v,
+        Err(e) => {
+            eprintln!("{}", e);
+            process::exit(1);
+        }
+    };
+
+    if let Err(e) = logging::init(&conf) {
+        eprintln!("Failed to initialize logger: {}", e);
+        process::exit(1);
+    };
+
+    log::info!("laika {} starting", LAIKA_VERSION);
+    log::info!("Binding to {}", conf.bind_address());
+
+    log::debug!("laika config:\n{:?}", conf);
+
+    let (tcp_listener, tls_acceptor) = match conf.get_listener().await {
+        Ok((tcp, tls)) => (tcp, tls),
+        Err(e) => {
+            log::error!("Could not get TCP listener or TLS acceptor: {}", e);
+            process::exit(1);
+        }
+    };
+
+    loop {
+        let (socket, remote_address) = match tcp_listener.accept().await {
+            Ok(v) => v,
+            Err(e) => {
+                log::error!("Could not accept connection: {}", e);
+                continue;
+            }
+        };
+        let tls_acceptor = tls_acceptor.clone();
+        let conf = conf.clone();
+
+        tokio::spawn(async move {
+            let mut stream = match tls_acceptor.accept(socket).await {
+                Ok(s) => s,
+                Err(e) => {
+                    log::error!("could not negotiate TLS: {}", e);
+                    return;
+                }
+            };
+
+            log::info!("REQ {} :: Connected", remote_address);
+
+            let req_url = match handlers::entrance(&mut stream, remote_address).await {
+                Ok(v) => v,
+                Err(e) => {
+                    log::error!("REQ {} :: {}", remote_address, e);
+                    if e.code() != response::Code::Unknown {
+                        let header = e.code().get_header("");
+                        match stream.write(&header).await {
+                            Ok(_) => (),
+                            Err(e) => {
+                                log::error!("REQ {} :: {}", remote_address, e);
+                            }
+                        };
+                    }
+                    handlers::flush_and_kill(&mut stream, remote_address).await;
+                    log::info!("REQ {} :: Terminated", remote_address);
+                    return;
+                }
+            };
+
+            if let Err(e) = handlers::route(&conf, &mut stream, remote_address, req_url).await {
+                log::error!("REQ {} :: {}", remote_address, e);
+                if e.code() != response::Code::Unknown {
+                    let header = e.code().get_header("");
+                    if let Err(e) = stream.write_all(&header).await {
+                        log::error!("REQ {} :: {}", remote_address, e);
+                    }
+                }
+            }
+
+            handlers::flush_and_kill(&mut stream, remote_address).await;
+            log::info!("REQ {} :: Terminated", remote_address);
+        });
+    }
+}