gitust/src/main.rs

299 lines
9.4 KiB
Rust

mod git;
mod ite;
use actix_files::Files;
use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder, Error, HttpRequest, HttpMessage};
use askama_actix::Template;
use actix_session::{Session, CookieSession};
use actix_web_httpauth::headers::authorization::{Authorization, Basic};
use actix_web::http::header::Header;
use actix_web_httpauth::middleware::HttpAuthentication;
use actix_web::dev::ServiceRequest;
use actix_web_httpauth::extractors::basic::{BasicAuth, Config};
use actix_web_httpauth::extractors::AuthenticationError;
use crate::git::{GitBrowseEntry, GitRepo, GitCommit, GitBrowseDir};
use actix_web::middleware::Logger;
use env_logger::Env;
use crate::ite::SuperIterator;
use std::ops::Add;
use std::path::{PathBuf, Path};
use serde::Deserialize;
use std::process::{Command, Stdio, Child};
use actix_web::http::{header, StatusCode};
use std::io;
use std::collections::HashMap;
use std::io::{Read, BufRead, Write, ErrorKind};
use futures::{StreamExt, TryStreamExt, future};
use actix_web::web::Buf;
use actix_web::http::header::IntoHeaderValue;
#[derive(Template)]
#[template(path = "hello.html")]
struct HelloTemplate<'a> {
name: &'a str,
}
struct User {
name : String,
}
struct Owner {
name : String,
}
struct Repository {
name : String,
owner : Owner,
}
#[derive(Template)]
#[template(path = "git.html")]
struct GitMainTemplate<TS, ROOT>
where for <'a> &'a TS : IntoIterator<Item = &'a GitBrowseEntry>,
for <'a> &'a ROOT : IntoIterator<Item = &'a (String, String)>,
{
repo : Repository,
browse : TS,
root : ROOT,
user_opt : Option<User>,
}
#[get("/")]
async fn hello() -> impl Responder {
HttpResponse::Ok().body("Bonjour monde !")
}
#[get("/test")]
async fn hello_test() -> impl Responder {
HttpResponse::Ok().body("Coucou")
}
#[get("/askama")]
async fn askama() -> impl Responder {
let name : &str = "world";
HelloTemplate { name }
}
#[get("/session")]
async fn hello_session(session : Session) -> impl Responder {
// session.renew();
match session.set("VieuxVy", 1) {
Ok(_) => HttpResponse::Ok().body("Coucou\r\n"),
Err(e) => HttpResponse::BadGateway().body("fail\r\n"),
}
}
// #[get("/auth")]
async fn hello_auth(req : HttpRequest) -> impl Responder {
match Authorization::<Basic>::parse(&req){
Ok(auth) => HttpResponse::Ok().body(format!("Hello, {}!", auth.as_ref().user_id())),
Err(e) => HttpResponse::Unauthorized().body("forbidden")
}
}
#[derive(Deserialize)]
struct GitWebQ {
commit: Option<String>,
path: Option<String>,
}
#[get("/git/{owner}/{repo}.git")]
async fn git_main(web::Path((owner, reponame)): web::Path<(String, String)>, web::Query(GitWebQ{commit : commitnameopt, path : pathopt}) : web::Query<GitWebQ>) -> impl Responder {
let commitname = match commitnameopt {
None => {"master".to_string()}
Some(s) => {s}
};
let rootname = match pathopt {
None => {"/".to_string()}
Some(s) => {s}
};
let repo = GitRepo::new();
let path : Vec<(String, String)> = rootname.split("/").map_accum("/git/".to_string() + &owner + "/" + &reponame + "/" + &commitname, |str_ref, b| {
let href = b + "/" + str_ref;
((str_ref.to_string(), href.clone()), href)
}).collect();
let commit = GitCommit::new(commitname);
let root = GitBrowseDir::new(rootname);
let browse = repo.browse(&commit, &root).await;
let owner = Owner { name : owner};
let repo = Repository {name : reponame, owner};
let user = User { name : "Hubert".to_string()};
GitMainTemplate { repo, browse : browse, root : path, user_opt : Some(user)}
}
//#[get("/git/{owner}/{repo}.git/{path:.*}")]
async fn git_proto(payload : web::Payload, web::Path((owner, reponame)): web::Path<(String, String)>, mut req: HttpRequest) -> io::Result<HttpResponse>{
let mut cmd = Command::new("git");
cmd.arg("http-backend");
// Required environment variables
cmd.env("REQUEST_METHOD", req.method().as_str());
cmd.env("GIT_PROJECT_ROOT", "/home/hubert");
cmd.env(
"PATH_INFO",
if req.path().starts_with('/') {
req.path().to_string()
} else {
format!("/{}", req.path())
},
);
cmd.env("REMOTE_USER", "");
//cmd.env("REMOTE_ADDR", req.remote_addr().to_string());
cmd.env("QUERY_STRING", req.query_string());
cmd.env("CONTENT_TYPE", header(&req, header::CONTENT_TYPE));
cmd.stderr(Stdio::inherit())
.stdout(Stdio::piped())
.stdin(Stdio::piped());
let mut p: Child = cmd.spawn()?;
//p.stdin.take().unwrap().write()
let mut input = p.stdin.take().unwrap();
payload.try_for_each(|bytes| {
// println!("{:?}", bytes);
input.write(bytes.bytes());
future::ready(Ok(()))
}).await;
//io::copy(&mut req.take_payload(), &mut p.stdin.take().unwrap())?;
// Parse the headers coming out, and the pass through the rest of the
// process back down the stack.
//
// Note that we have to be careful to not drop the process which will wait
// for the process to exit (and we haven't read stdout)
let mut rdr = io::BufReader::new(p.stdout.take().unwrap());
let mut headers = HashMap::new();
for line in rdr.by_ref().lines() {
let line = line?;
if line == "" || line == "\r" {
break;
}
let mut parts = line.splitn(2, ':');
let key = parts.next().unwrap();
let value = parts.next().unwrap();
let value = &value[1..];
headers
.entry(key.to_string())
.or_insert_with(Vec::new)
.push(value.to_string());
}
let status_code : u16 = {
let line = headers.remove("Status").unwrap_or_default();
// println!("{:?}", &line);
let line = line.into_iter().next().unwrap_or_default();
let parts : Vec<&str> = line.split(' ').collect();
parts.into_iter().next().unwrap_or("").parse().unwrap_or(200)
};
// println!("{}", status_code);
let statusCode = match StatusCode::from_u16(status_code) {
Ok(v) => {Ok(v)}
Err(ioe) => {Err(io::Error::new(ErrorKind::Other, "Invalid HTTP status code"))}
};
let mut builder = HttpResponse::build(statusCode?);
for (name, vec) in headers.iter() {
for value in vec {
builder.header(name, value.clone());
}
}
let mut body = Vec::new();
rdr.read_to_end(&mut body)?;
println!("{}", String::from_utf8(body.clone()).expect("bad utf8"));
return Ok(builder.body(body));
}
fn header(req: &HttpRequest, name: header::HeaderName) -> &str {
req.headers()
.get(name)
.map(|value| value.to_str().unwrap_or_default())
.unwrap_or_default()
}
#[post("/echo")]
async fn echo(req_body: String) -> impl Responder {
HttpResponse::Ok().body(req_body)
}
async fn manual_hello() -> impl Responder {
HttpResponse::Ok().body("Hey there!\r\n")
}
#[get("/{id}/{name}/index.html")]
async fn index(web::Path((id, name)): web::Path<(u32, String)>) -> impl Responder {
format!("Hello {}! id:{}", name, id)
}
async fn basic_auth_validator(req: ServiceRequest, credentials: BasicAuth) -> Result<ServiceRequest, Error> {
let config = req
.app_data::<Config>()
.map(|data| data.clone())
.unwrap_or_else(Default::default);
match validate_credentials(credentials.user_id(), credentials.password().map(|s| s.trim())) {
Ok(res) => {
if res == true {
Ok(req)
} else {
Err(AuthenticationError::from(config).into())
}
}
Err(_) => Err(AuthenticationError::from(config).into()),
}
}
fn validate_credentials(user_id: &str, user_password: Option<&str>) -> Result<bool, std::io::Error>
{
if user_id.eq("karl") && user_password.eq(&Option::Some("password")) {
return Ok(true);
}
return Err(std::io::Error::new(std::io::ErrorKind::Other, "Authentication failed!"));
}
#[actix_web::main]
async fn main() -> std::io::Result<()> {
std::env::set_var("RUST_LOG", "actix_web=info");
env_logger::from_env(Env::default().default_filter_or("info")).init();
HttpServer::new(|| {
let auth = HttpAuthentication::basic(basic_auth_validator);
App::new()
.wrap(Logger::default())
// .wrap(Logger::new("%a %{User-Agent}i"))
.wrap(CookieSession::signed(&[0; 32]).secure(false))
.service(hello)
.service(echo)
.service(hello_test)
.service(index)
.service(askama)
.service(git_main)
.service(hello_session)
//.service(git_proto)
// .service(
// web::scope("/auth")
// .wrap(auth)
// .route("/", web::get().to(hello_auth))
// )
.service(
web::resource("/auth")
.wrap(auth)
.route(web::get().to(hello_auth))
)
.service(
web::resource("/git/{user}/{repo}.git/{path:.*}")
.route(web::route().to(git_proto))
)
.service(
Files::new("/static", "static")
.use_last_modified(true)
.use_etag(true)
// .show_files_listing()
)
.route("/hey", web::get().to(manual_hello))
})
.bind("127.0.0.1:8080")?
.run()
.await
}