attempting better logging

Cargo.lock

@@ -89,6 +89,7 @@ dependencies = [
  "bitflags",
  "bytes",
  "futures-util",
+ "headers",
  "http",
  "http-body",
  "hyper",
@@ -128,6 +129,12 @@ dependencies = [
  "tower-service",
 ]
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -143,6 +150,15 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.12.0"
@@ -225,6 +241,15 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -234,6 +259,16 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "cxx"
 version = "1.0.94"
@@ -278,6 +313,16 @@ dependencies = [
  "syn 2.0.13",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.32"
@@ -401,6 +446,16 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.9"
@@ -437,6 +492,31 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "headers"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
+dependencies = [
+ "base64",
+ "bitflags",
+ "bytes",
+ "headers-core",
+ "http",
+ "httpdate",
+ "mime",
+ "sha1",
+]
+
+[[package]]
+name = "headers-core"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
+dependencies = [
+ "http",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -724,6 +804,7 @@ dependencies = [
  "bincode",
  "chrono",
  "futures",
+ "headers",
  "rand",
  "sanitize-filename-reader-friendly",
  "serde",
@@ -981,6 +1062,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.4"
@@ -1275,6 +1367,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
 [[package]]
 name = "unicase"
 version = "2.6.0"

Cargo.toml

@@ -8,10 +8,11 @@ edition = "2021"
 [dependencies]
 async-bincode = { version = "0.7.0", features = ["tokio"] }
 async_zip = { version = "0.0.13", features = ["deflate", "tokio", "tokio-fs", "async-compression"] }
-axum = { version = "0.6.12", features = ["multipart", "http2"] }
+axum = { version = "0.6.12", features = ["multipart", "http2", "headers"] }
 bincode = "1.3.3"
 chrono = { version = "0.4.24", features = ["serde"] }
 futures = "0.3.28"
+headers = "0.3.8"
 rand = { version = "0.8.5", features = ["small_rng"] }
 sanitize-filename-reader-friendly = "2.2.1"
 serde = { version = "1.0.160", features = ["serde_derive", "derive"] }

src/main.rs

@@ -4,9 +4,10 @@ use async_zip::{Compression, ZipEntryBuilder};
 use axum::body::StreamBody;
 use axum::extract::{ConnectInfo, State};
 use axum::http::{Request, StatusCode};
-use axum::middleware::{Next, self};
+use axum::middleware::{self, Next};
 use axum::response::{IntoResponse, Response};
 use axum::routing::{get, post};
+use axum::TypedHeader;
 use axum::{
     extract::{DefaultBodyLimit, Multipart},
     response::Redirect,
@@ -15,6 +16,7 @@ use axum::{
 
 use futures::TryStreamExt;
 
+use headers::{Header, HeaderName, HeaderValue};
 use rand::distributions::{Alphanumeric, DistString};
 use rand::rngs::SmallRng;
 use rand::SeedableRng;
@@ -89,8 +91,23 @@ async fn main() -> io::Result<()> {
     Ok(())
 }
 
-async fn log_source<B>(ConnectInfo(addr): ConnectInfo<SocketAddr>, req: Request<B>, next: Next<B>) -> Response {
+// async fn log_source<B>(
-    tracing::info!("{}", addr);
+//     ConnectInfo(addr): ConnectInfo<SocketAddr>,
+//     req: Request<B>,
+//     next: Next<B>,
+// ) -> Response {
+//     tracing::info!("{}", addr);
+//
+//     next.run(req).await
+// }
+
+async fn log_source<B>(
+    ConnectInfo(addr): ConnectInfo<SocketAddr>,
+    TypedHeader(ForwardedFor(forwarded_for)): TypedHeader<ForwardedFor>,
+    req: Request<B>,
+    next: Next<B>,
+) -> Response {
+    tracing::info!("{} : {}", addr, forwarded_for);
 
     next.run(req).await
 }
@@ -252,3 +269,33 @@ fn _bytes_to_human_readable(bytes: u64) -> String {
 
     format!("{:.2} {}", running, UNITS[count - 1])
 }
+
+struct ForwardedFor(String);
+
+static FF_TEXT: &str = "f-forwarded-for";
+static FF_NAME: HeaderName = HeaderName::from_static(FF_TEXT);
+
+impl Header for ForwardedFor {
+    fn name() -> &'static HeaderName {
+        &FF_NAME
+    }
+
+    fn decode<'i, I>(values: &mut I) -> Result<Self, headers::Error>
+    where
+        Self: Sized,
+        I: Iterator<Item = &'i headers::HeaderValue>,
+    {
+        let value = values
+            .next()
+            .ok_or_else(headers::Error::invalid)?
+            .to_str()
+            .map_err(|_| headers::Error::invalid())?
+            .to_owned();
+
+        Ok(ForwardedFor(value))
+    }
+
+    fn encode<E: Extend<headers::HeaderValue>>(&self, values: &mut E) {
+        values.extend(std::iter::once(HeaderValue::from_str(&self.0).unwrap()));
+    }
+}