Files
komodo/bin/core/src/auth/github/mod.rs
2024-05-15 19:17:54 -07:00

123 lines
3.4 KiB
Rust

use anyhow::{anyhow, Context};
use axum::{
extract::Query, response::Redirect, routing::get, Router,
};
use monitor_client::entities::{
monitor_timestamp,
user::{User, UserConfig},
};
use mungos::mongodb::bson::doc;
use reqwest::StatusCode;
use serde::Deserialize;
use serror::AddStatusCode;
use crate::{
config::core_config,
state::{db_client, jwt_client},
};
use self::client::github_oauth_client;
use super::{RedirectQuery, STATE_PREFIX_LENGTH};
pub mod client;
pub fn router() -> Router {
Router::new()
.route(
"/login",
get(|Query(query): Query<RedirectQuery>| async {
Redirect::to(
&github_oauth_client()
.as_ref()
// OK: the router is only mounted in case that the client is populated
.unwrap()
.get_login_redirect_url(query.redirect)
.await,
)
}),
)
.route(
"/callback",
get(|query| async {
callback(query).await.status_code(StatusCode::UNAUTHORIZED)
}),
)
}
#[derive(Debug, Deserialize)]
struct CallbackQuery {
state: String,
code: String,
}
#[instrument(name = "GithubCallback", level = "debug")]
async fn callback(
Query(query): Query<CallbackQuery>,
) -> anyhow::Result<Redirect> {
let client = github_oauth_client().as_ref().unwrap();
if !client.check_state(&query.state).await {
return Err(anyhow!("state mismatch"));
}
let token = client.get_access_token(&query.code).await?;
let github_user =
client.get_github_user(&token.access_token).await?;
let github_id = github_user.id.to_string();
let db_client = db_client().await;
let user = db_client
.users
.find_one(doc! { "config.data.github_id": &github_id }, None)
.await
.context("failed at find user query from mongo")?;
let jwt = match user {
Some(user) => jwt_client()
.generate(user.id)
.context("failed to generate jwt")?,
None => {
let ts = monitor_timestamp();
let no_users_exist =
db_client.users.find_one(None, None).await?.is_none();
let user = User {
id: Default::default(),
username: github_user.login,
enabled: no_users_exist,
admin: no_users_exist,
create_server_permissions: no_users_exist,
create_build_permissions: no_users_exist,
updated_at: ts,
last_update_view: 0,
recent_servers: Vec::new(),
recent_deployments: Vec::new(),
recent_builds: Vec::new(),
recent_repos: Vec::new(),
recent_procedures: Vec::new(),
config: UserConfig::Github {
github_id,
avatar: github_user.avatar_url,
},
};
let user_id = db_client
.users
.insert_one(user, None)
.await
.context("failed to create user on mongo")?
.inserted_id
.as_object_id()
.context("inserted_id is not ObjectId")?
.to_string();
jwt_client()
.generate(user_id)
.context("failed to generate jwt")?
}
};
let exchange_token = jwt_client().create_exchange_token(jwt).await;
let redirect = &query.state[STATE_PREFIX_LENGTH..];
let redirect_url = if redirect.is_empty() {
format!("{}?token={exchange_token}", core_config().host)
} else {
let splitter = if redirect.contains('?') { '&' } else { '?' };
format!("{}{splitter}token={exchange_token}", redirect)
};
Ok(Redirect::to(&redirect_url))
}