From eb58bb1acd46e2de0951bd15fa0f89f6594a1ab1 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Tue, 25 Feb 2025 08:38:38 +0100
Subject: [PATCH] Initial commit

---
 .gitignore  |   3 +
 Cargo.lock  | 550 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |  10 +
 src/main.rs |  57 ++++++
 4 files changed, 620 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

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diff --git a/Cargo.lock b/Cargo.lock
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--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "proxy_saver"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+log = "0.4.26"
+env_logger = "0.11.6"
+clap = { version = "4.5.31", features = ["env", "derive"] }
+tokio = { version = "1.43.0", features = ["full"] }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..405928c
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,57 @@
+use std::error::Error;
+use clap::Parser;
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
+use tokio::net::TcpListener;
+
+/// Simple program that proxify requests and save responses
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// The address the server will listen to
+    #[arg(short, long, default_value = "0.0.0.0:8000")]
+    listen_address: String,
+
+    /// Upstream address this server will connect to
+    #[arg(short, long, default_value = "httpbin.org")]
+    upstream: String,
+
+    /// The path on the server this server will save requests and responses
+    #[arg(short, long, default_value = "storage")]
+    storage_path: String,
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error>> {    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    let args = Args::parse();
+
+    log::info!("Will start to listen on {}", args.listen_address);
+    let listener = TcpListener::bind(&args.listen_address).await?;
+
+
+    loop {
+        // Asynchronously wait for an inbound socket.
+        let (mut socket, _) = listener.accept().await?;
+
+        tokio::spawn(async move {
+            let mut buf = vec![0; 1024];
+
+            // In a loop, read data from the socket and write the data back.
+            loop {
+                let n = socket
+                    .read(&mut buf)
+                    .await
+                    .expect("failed to read data from socket");
+
+                if n == 0 {
+                    return;
+                }
+
+                socket
+                    .write_all(&buf[0..n])
+                    .await
+                    .expect("failed to write data to socket");
+            }
+        });
+    }
+}