use anyhow::{bail, Context, Result}; use rouille::{Request, Response}; use serde::{Deserialize, Serialize}; use std::collections::BTreeSet; use std::env; use std::net::SocketAddr; use std::time::{SystemTime, UNIX_EPOCH}; use uuid::Uuid; /// Represents the request sent by the frontend application. #[derive(Debug, Deserialize)] struct FrontendReq { captcha_token: String, record: Record, } /// Represents a single record as filled in by a user. This is the /// primary data structure we want to populate and persist somewhere. #[derive(Debug, Deserialize, Serialize)] struct Record { // Record-specific metadata uuid: Uuid, // Personal information name: String, email: String, citizenship: String, // TODO personal_details: String, // Job information position: String, technologies: BTreeSet, job_details: String, work_background: String, } impl Record { fn validate(&self) -> bool { true } } fn persist_record(ip: &SocketAddr, record: &Record) -> Result<()> { let bucket_name = "rih-backend-data"; let credentials = s3::creds::Credentials::from_env()?; let yandex_region: s3::Region = s3::Region::Custom { region: "ru-central1".to_string(), endpoint: "storage.yandexcloud.net".to_string(), }; let bucket = s3::Bucket::new(bucket_name, yandex_region, credentials)?; let path_uuid = Uuid::new_v4(); let epoch = SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs(); let path = format!("/records/{}-{}.json", epoch, path_uuid); let data = serde_json::json!({ "ip": ip.to_string(), "record": record, }); let _response = bucket.put_object(path, data.to_string().as_bytes()); Ok(()) } fn handle_submit(req: &Request) -> Result { let submitted: FrontendReq = rouille::input::json::json_input(req)?; if !submitted.record.validate() { bail!("invalid record: {:?}", submitted.record); } persist_record(req.remote_addr(), &submitted.record)?; Ok(Response::text("success")) } fn main() -> Result<()> { let port = env::var("PORT").unwrap_or_else(|_| /* rihb = */ "7442".to_string()); let listen = format!("0.0.0.0:{port}"); rouille::start_server(&listen, move |request| { if request.url() == "/submit" { match handle_submit(request) { Ok(response) => response, Err(_err) => Response::empty_400(), // TODO } } else { Response::empty_404() } }); }