use std::{net::SocketAddr, time::Duration};
use crate::consts::{ABORTED_BY_USER, TICK_STRING};
use super::*;
use anyhow::bail;
use http_body_util::Full;
use hyper::{body::Bytes, server::conn::http1, service::service_fn, Request, Response};
use rand::Rng;
use serde::{Deserialize, Serialize};
use tokio::net::TcpListener;
#[derive(Parser)]
pub struct Args {
#[clap(short, long)]
browserless: bool,
}
pub async fn command(args: Args, _json: bool) -> Result<()> {
let mut configs = Configs::new()?;
let render_config = configs.get_render_config();
if args.browserless {
return browserless_login().await;
}
let confirm = inquire::Confirm::new("Open the browser")
.with_default(true)
.with_render_config(render_config)
.prompt()?;
if !confirm {
bail!(ABORTED_BY_USER);
}
let port = rand::thread_rng().gen_range(50000..60000);
let addr = SocketAddr::from(([127, 0, 0, 1], port));
let listener = TcpListener::bind(addr).await?;
let (tx, mut rx) = tokio::sync::mpsc::channel::<String>(1);
let hello = move |req: Request<hyper::body::Incoming>| {
let tx = tx.clone();
async move {
let configs = Configs::new()?;
let hostname = format!("https://{}", configs.get_host());
if req.method() == hyper::Method::GET {
let mut pairs = req.uri().query().context("No query")?.split('&');
let token = pairs
.next()
.context("No token")?
.split('=')
.nth(1)
.context("No token")?
.to_owned();
tx.send(token).await?;
let res = LoginResponse {
status: "Ok".to_owned(),
error: "".to_owned(),
};
let res_json = serde_json::to_string(&res)?;
let mut response = Response::new(Full::from(res_json));
response.headers_mut().insert(
"Content-Type",
hyper::header::HeaderValue::from_static("application/json"),
);
response.headers_mut().insert(
"Access-Control-Allow-Origin",
hyper::header::HeaderValue::from_str(hostname.as_str()).unwrap(),
);
Ok::<Response<Full<Bytes>>, anyhow::Error>(response)
} else {
let mut response = Response::default();
response.headers_mut().insert(
"Access-Control-Allow-Methods",
hyper::header::HeaderValue::from_static("GET, HEAD, PUT, PATCH, POST, DELETE"),
);
response.headers_mut().insert(
"Access-Control-Allow-Headers",
hyper::header::HeaderValue::from_static("*"),
);
response.headers_mut().insert(
"Access-Control-Allow-Origin",
hyper::header::HeaderValue::from_str(hostname.as_str()).unwrap(),
);
response.headers_mut().insert(
"Content-Length",
hyper::header::HeaderValue::from_static("0"),
);
*response.status_mut() = hyper::StatusCode::NO_CONTENT;
Ok::<Response<Full<Bytes>>, anyhow::Error>(response)
}
}
};
if ::open::that(generate_cli_login_url(port)?).is_err() {
return browserless_login().await;
}
let spinner = indicatif::ProgressBar::new_spinner()
.with_style(
indicatif::ProgressStyle::default_spinner()
.tick_chars(TICK_STRING)
.template("{spinner:.green} {msg}")?,
)
.with_message("Waiting for login...");
spinner.enable_steady_tick(Duration::from_millis(100));
let (stream, _) = listener.accept().await?;
tokio::task::spawn(async move {
http1::Builder::new()
.serve_connection(stream, service_fn(hello))
.await?;
Ok::<_, anyhow::Error>(())
});
let token = rx.recv().await.context("No token received")?;
configs.root_config.user.token = Some(token);
configs.write()?;
let client = GQLClient::new_authorized(&configs)?;
let vars = queries::user_meta::Variables {};
let res = post_graphql::<queries::UserMeta, _>(&client, configs.get_backboard(), vars).await?;
let me = res.data.context("No data")?.me;
spinner.finish_and_clear();
println!(
"Logged in as {} ({})",
me.name.context("No name")?.bold(),
me.email
);
Ok(())
}
#[derive(Debug, Serialize, Deserialize)]
struct LoginResponse {
status: String,
error: String,
}
fn get_random_numeric_code(length: usize) -> String {
let mut rng = rand::thread_rng();
std::iter::from_fn(|| rng.gen_range(0..10).to_string().chars().next())
.take(length)
.collect()
}
fn generate_login_payload(port: u16) -> Result<String> {
let code = get_random_numeric_code(32);
let hostname_os = hostname::get()?;
let hostname = hostname_os.to_str().context("Invalid hostname")?;
let payload = format!("port={port}&code={code}&hostname={hostname}");
Ok(payload)
}
fn generate_cli_login_url(port: u16) -> Result<String> {
use base64::{
alphabet::URL_SAFE,
engine::{GeneralPurpose, GeneralPurposeConfig},
Engine,
};
let payload = generate_login_payload(port)?;
let configs = Configs::new()?;
let hostname = configs.get_host();
let engine = GeneralPurpose::new(&URL_SAFE, GeneralPurposeConfig::new());
let encoded_payload = engine.encode(payload.as_bytes());
let url = format!("https://{hostname}/cli-login?d={encoded_payload}");
Ok(url)
}
async fn browserless_login() -> Result<()> {
let mut configs = Configs::new()?;
let hostname = hostname::get()?;
let hostname = hostname.to_str().context("Invalid hostname")?;
println!("{}", "Browserless Login".bold());
let client = GQLClient::new_unauthorized()?;
let vars = mutations::login_session_create::Variables {};
let res =
post_graphql::<mutations::LoginSessionCreate, _>(&client, configs.get_backboard(), vars)
.await?;
let word_code = res.data.context("No data")?.login_session_create;
use base64::{
alphabet::URL_SAFE,
engine::{GeneralPurpose, GeneralPurposeConfig},
Engine,
};
let payload = format!("wordCode={word_code}&hostname={hostname}");
let engine = GeneralPurpose::new(&URL_SAFE, GeneralPurposeConfig::new());
let encoded_payload = engine.encode(payload.as_bytes());
let hostname = configs.get_host();
println!(
"Please visit:\n {}",
format!("https://{hostname}/cli-login?d={encoded_payload}")
.bold()
.underline()
);
println!("Your pairing code is: {}", word_code.bold().purple());
let spinner = indicatif::ProgressBar::new_spinner()
.with_style(
indicatif::ProgressStyle::default_spinner()
.tick_chars(TICK_STRING)
.template("{spinner:.green} {msg}")?,
)
.with_message("Waiting for login...");
spinner.enable_steady_tick(Duration::from_millis(100));
loop {
tokio::time::sleep(Duration::from_secs(1)).await;
let vars = mutations::login_session_consume::Variables {
code: word_code.clone(),
};
let res = post_graphql::<mutations::LoginSessionConsume, _>(
&client,
configs.get_backboard(),
vars,
)
.await?;
if let Some(token) = res.data.context("No data")?.login_session_consume {
spinner.finish_and_clear();
configs.root_config.user.token = Some(token);
configs.write()?;
let client = GQLClient::new_authorized(&configs)?;
let vars = queries::user_meta::Variables {};
let res = post_graphql::<queries::UserMeta, _>(&client, configs.get_backboard(), vars)
.await?;
let me = res.data.context("No data")?.me;
spinner.finish_and_clear();
println!(
"Logged in as {} ({})",
me.name.context("No name")?.bold(),
me.email
);
break;
}
}
Ok(())
}