From 892d48b3f3a508d6f133af039b63b62f966b51c3 Mon Sep 17 00:00:00 2001
From: silvioprog <silvioprog@gmail.com>
Date: Sun, 24 Jan 2021 20:19:24 -0300
Subject: [PATCH 1/2] Add simple reverse proxy example

I found this example useful in understanding how a tide-based server can handle reverse proxy.
---
 examples/proxy.rs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 examples/proxy.rs

diff --git a/examples/proxy.rs b/examples/proxy.rs
new file mode 100644
index 000000000..23e57f5ae
--- /dev/null
+++ b/examples/proxy.rs
@@ -0,0 +1,28 @@
+// Example: HTTP GET to http://localhost:8080/http-rs/tide
+// $ curl "http://localhost:8080/http-rs/tide"
+// I'll show the Tide page at GitHub
+#[async_std::main]
+async fn main() -> Result<(), std::io::Error> {
+    tide::log::start();
+    let mut app = tide::new();
+    app.at("*").get(|req: tide::Request<()>| async move {
+        let url = "https://github.com"; // Change to your reverse proxy URL
+        let mut req_builder = surf::get(format!("{}{}", url, req.url().path()));
+        for (n, v) in req.iter().filter(|(n, _)| *n != "host") {
+            let v: String = v.iter().map(|s| s.as_str()).collect();
+            req_builder = req_builder.header(n, v);
+        }
+        let mut proxy_res = req_builder.send().await?;
+        let mut res = tide::http::Response::new(proxy_res.status());
+        proxy_res.iter().for_each(|(n, v)| {
+            res.append_header(n, v);
+        });
+        if let Some(mime) = proxy_res.content_type() {
+            res.set_content_type(mime);
+        }
+        res.set_body(proxy_res.take_body());
+        Ok(res)
+    });
+    app.listen("127.0.0.1:8080").await?;
+    Ok(())
+}

From 503cfed27421dc1db8723bd5014c386f3f19616f Mon Sep 17 00:00:00 2001
From: silvioprog <silvioprog@gmail.com>
Date: Thu, 4 Feb 2021 21:44:57 -0300
Subject: [PATCH 2/2] Add warning regarding security to the reverse proxy
 example

---
 examples/proxy.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/examples/proxy.rs b/examples/proxy.rs
index 23e57f5ae..e21a0c9c0 100644
--- a/examples/proxy.rs
+++ b/examples/proxy.rs
@@ -1,3 +1,6 @@
+// WARNING: Don't not use it in production!
+// This is just an example, so there is much more to a correct secure reverse proxy implementation.
+//
 // Example: HTTP GET to http://localhost:8080/http-rs/tide
 // $ curl "http://localhost:8080/http-rs/tide"
 // I'll show the Tide page at GitHub