1 files changed, 83 insertions, 0 deletions
diff --git a/src/request/non_blocking.rs b/src/request/non_blocking.rs
new file mode 100644
index 0000000..c578703
--- /dev/null
+++ b/src/request/non_blocking.rs
@@ -0,0 +1,83 @@
+// This file is part of Germ <https://github.com/gemrest/germ>.
+// Copyright (C) 2022-2024 Fuwn <[email protected]>
+//
+// This program 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, version 3.
+//
+// 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/>.
+//
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use {
+  crate::request::Response,
+  tokio::io::{AsyncReadExt, AsyncWriteExt},
+};
+
+/// Make a request to a Gemini server
+///
+/// The `url` **should** be prefixed with a scheme (e.g. "gemini://").
+///
+/// # Example
+///
+/// ```rust
+/// #[tokio::main]
+/// async fn main() {
+///   match germ::request::sync::request(
+///     &url::Url::parse("gemini://fuwn.me").unwrap(),
+///   )
+///   .await
+///   {
+///     Ok(response) => println!("{:?}", response),
+///     Err(_) => {}
+///   }
+/// }
+/// ```
+///
+/// # Errors
+///
+/// - May error if the URL is invalid
+/// - May error if the server is unreachable
+/// - May error if the TLS write fails
+/// - May error if the TLS read fails
+pub async fn request(url: &url::Url) -> anyhow::Result<Response> {
+  let mut tls = tokio_rustls::TlsConnector::from(std::sync::Arc::new(
+    rustls::ClientConfig::builder()
+      .with_safe_defaults()
+      .with_custom_certificate_verifier(std::sync::Arc::new(
+        crate::request::GermVerifier::new(),
+      ))
+      .with_no_client_auth(),
+  ))
+  .connect(
+    rustls::ServerName::try_from(url.domain().unwrap_or_default())?,
+    tokio::net::TcpStream::connect(format!(
+      "{}:{}",
+      url.domain().unwrap_or(""),
+      url.port().unwrap_or(1965)
+    ))
+    .await?,
+  )
+  .await?;
+  let cipher_suite = tls.get_mut().1.negotiated_cipher_suite();
+
+  tls.write_all(format!("{url}\r\n").as_bytes()).await?;
+
+  Ok(Response::new(
+    &{
+      let mut plain_text = Vec::new();
+
+      tls.read_to_end(&mut plain_text).await?;
+
+      plain_text
+    },
+    cipher_suite,
+  ))
+}