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feat: sorted keys, parse into types, add time

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əlemi 2022-10-21 02:12:29 +02:00
parent 1ba596291e
commit b2fbac1193
2 changed files with 66 additions and 22 deletions
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2
Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "http-debugger" name = "http-debugger"
version = "0.1.0" version = "0.2.0"
edition = "2021" edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

86
src/main.rs
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@ -1,53 +1,97 @@
use std::collections::HashMap; use std::collections::{HashMap, BTreeMap};
use std::net::SocketAddr; use std::net::SocketAddr;
use std::time::{SystemTime, UNIX_EPOCH, Duration};
use hyper::http::HeaderValue; use hyper::header::HeaderName;
use hyper::http::{HeaderValue};
use hyper::server::conn::Http; use hyper::server::conn::Http;
use hyper::service::service_fn; use hyper::service::service_fn;
use hyper::{Request, Response, Body}; use hyper::{Request, Response, Body, StatusCode, body};
use serde_json::Value;
use tokio::net::TcpListener; use tokio::net::TcpListener;
use serde::Serialize; use serde::{Serialize, Serializer};
fn str_or_repr(v: &HeaderValue) -> String { /// excessive parsing of headers, because I want to use all json types...
match v.to_str() { fn parse_header(k: &HeaderName, v: &HeaderValue) -> (String, Value) {
let key = k.to_string();
let value = match v.to_str() {
Ok(str) => { Ok(str) => {
str.to_string() match key.as_str() {
"accept" | "accept-encoding" |
"accept-language" => { // lists
Value::from(str.split(",").map(|x| x.trim()).collect::<Vec<&str>>())
}, },
Err(e) => { "upgrade-insecure-requests" => { // booleans
format!("{:?} ({})", v, e) Value::from(
str == "1" || str.to_lowercase() == "true" ||
str.to_lowercase() == "t"
)
},
"x-real-port" => { // numbers
if let Ok(int) = str.parse::<i64>() {
Value::from(int)
} else if let Ok(float) = str.parse::<f64>() {
Value::from(float)
} else {
Value::from(str.to_string())
}
},
_ => {
Value::from(str.to_string())
}, },
} }
},
Err(e) => {
Value::from(format!("{:?} ({})", v, e))
},
};
(key, value)
}
/// yoinked off stackoverflow #42723065
fn ordered_map<S:Serializer>(value: &HashMap<String, Value>, serializer: S) -> Result<S::Ok, S::Error> {
value.iter().collect::<BTreeMap<_, _>>().serialize(serializer)
} }
#[derive(Serialize)] #[derive(Serialize)]
struct InspectRequest { struct InspectRequest {
pub host: String, pub path: String,
pub method: String, pub method: String,
pub headers: HashMap<String, String>,
pub body: Option<String>,
pub version: String, pub version: String,
#[serde(serialize_with = "ordered_map")]
pub headers: HashMap<String, Value>,
pub body: Option<String>,
pub time: u128,
} }
async fn hello(req: Request<Body>) -> Result<Response<Body>, serde_json::error::Error> { async fn echo_json(mut req: Request<Body>) -> Result<Response<Body>, hyper::http::Error> {
let response = InspectRequest { let inspect = InspectRequest {
host: req.uri().to_string(), path: req.uri().to_string(),
method: req.method().to_string(), method: req.method().to_string(),
version: format!("{:?}", req.version()), version: format!("{:?}", req.version()),
headers: req.headers().iter().map(|x| (x.0.to_string(), str_or_repr(x.1))).collect(), headers: req.headers().iter().map(|(k, v)| parse_header(k, v)).collect(),
body: Some(format!("{:?}", req.body())), body: String::from_utf8(body::to_bytes(req.body_mut()).await.unwrap().to_vec()).ok(),
time: SystemTime::now().duration_since(UNIX_EPOCH).unwrap_or(Duration::from_secs(0)).as_millis(),
}; };
println!(" * {}", serde_json::to_string_pretty(&response)?); let serialized = serde_json::to_string(&inspect).unwrap_or("[]".to_string());
Ok(Response::new(serde_json::to_string(&response)?.into())) // println!(" * {}", serde_json::to_string_pretty(&response)?);
println!(" * {}", serialized);
Response::builder()
.status(StatusCode::OK)
.header("Content-Type", "application/json")
.body(serialized.into())
} }
#[tokio::main] #[tokio::main]
pub async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> { pub async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
pretty_env_logger::init(); pretty_env_logger::init();
let addr: SocketAddr = ([127, 0, 0, 1], 3000).into(); let addr: SocketAddr = ([127, 0, 0, 1], 10000).into();
let listener = TcpListener::bind(addr).await?; let listener = TcpListener::bind(addr).await?;
println!("Listening on http://{}", addr); println!("Listening on http://{}", addr);
@ -56,7 +100,7 @@ pub async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
tokio::task::spawn(async move { tokio::task::spawn(async move {
if let Err(err) = Http::new() if let Err(err) = Http::new()
.serve_connection(stream, service_fn(hello)) .serve_connection(stream, service_fn(echo_json))
.await .await
{ {
println!("Error serving connection: {:?}", err); println!("Error serving connection: {:?}", err);