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183 lines
6.3 KiB
Rust
183 lines
6.3 KiB
Rust
use auth::{AuthState, INTERNAL_APPID_HEADER, INTERNAL_SYSTEMID_HEADER};
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use axum::{
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Extension, Router,
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body::Body,
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extract::{Request as ExtractRequest, State},
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http::Uri,
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response::{IntoResponse, Response},
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routing::{delete, get, patch, post},
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};
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use hyper_util::{
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client::legacy::{Client, connect::HttpConnector},
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rt::TokioExecutor,
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};
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use tracing::info;
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use pk_macros::api_endpoint;
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mod auth;
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mod endpoints;
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mod error;
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mod middleware;
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mod util;
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#[derive(Clone)]
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pub struct ApiContext {
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pub db: sqlx::postgres::PgPool,
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pub redis: fred::clients::RedisPool,
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rproxy_uri: String,
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rproxy_client: Client<HttpConnector, Body>,
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}
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#[api_endpoint]
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async fn rproxy(
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Extension(auth): Extension<AuthState>,
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State(ctx): State<ApiContext>,
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mut req: ExtractRequest<Body>,
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) -> Response {
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let path = req.uri().path();
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let path_query = req
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.uri()
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.path_and_query()
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.map(|v| v.as_str())
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.unwrap_or(path);
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let uri = format!("{}{}", ctx.rproxy_uri, path_query);
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*req.uri_mut() = Uri::try_from(uri).unwrap();
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let headers = req.headers_mut();
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headers.remove(INTERNAL_SYSTEMID_HEADER);
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headers.remove(INTERNAL_APPID_HEADER);
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if let Some(sid) = auth.system_id() {
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headers.append(INTERNAL_SYSTEMID_HEADER, sid.into());
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}
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if let Some(aid) = auth.app_id() {
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headers.append(INTERNAL_APPID_HEADER, aid.into());
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}
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Ok(ctx.rproxy_client.request(req).await?.into_response())
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}
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// this function is manually formatted for easier legibility of route_services
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#[rustfmt::skip]
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fn router(ctx: ApiContext) -> Router {
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// processed upside down (???) so we have to put middleware at the end
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Router::new()
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.route("/v2/systems/{system_id}", get(rproxy))
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.route("/v2/systems/{system_id}", patch(rproxy))
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.route("/v2/systems/{system_id}/settings", get(endpoints::system::get_system_settings))
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.route("/v2/systems/{system_id}/settings", patch(rproxy))
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.route("/v2/systems/{system_id}/members", get(rproxy))
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.route("/v2/members", post(rproxy))
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.route("/v2/members/{member_id}", get(rproxy))
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.route("/v2/members/{member_id}", patch(rproxy))
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.route("/v2/members/{member_id}", delete(rproxy))
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.route("/v2/systems/{system_id}/groups", get(rproxy))
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.route("/v2/groups", post(rproxy))
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.route("/v2/groups/{group_id}", get(rproxy))
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.route("/v2/groups/{group_id}", patch(rproxy))
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.route("/v2/groups/{group_id}", delete(rproxy))
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.route("/v2/groups/{group_id}/members", get(rproxy))
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.route("/v2/groups/{group_id}/members/add", post(rproxy))
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.route("/v2/groups/{group_id}/members/remove", post(rproxy))
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.route("/v2/groups/{group_id}/members/overwrite", post(rproxy))
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.route("/v2/members/{member_id}/groups", get(rproxy))
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.route("/v2/members/{member_id}/groups/add", post(rproxy))
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.route("/v2/members/{member_id}/groups/remove", post(rproxy))
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.route("/v2/members/{member_id}/groups/overwrite", post(rproxy))
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.route("/v2/systems/{system_id}/switches", get(rproxy))
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.route("/v2/systems/{system_id}/switches", post(rproxy))
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.route("/v2/systems/{system_id}/fronters", get(rproxy))
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.route("/v2/systems/{system_id}/switches/{switch_id}", get(rproxy))
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.route("/v2/systems/{system_id}/switches/{switch_id}", patch(rproxy))
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.route("/v2/systems/{system_id}/switches/{switch_id}/members", patch(rproxy))
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.route("/v2/systems/{system_id}/switches/{switch_id}", delete(rproxy))
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.route("/v2/systems/{system_id}/guilds/{guild_id}", get(rproxy))
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.route("/v2/systems/{system_id}/guilds/{guild_id}", patch(rproxy))
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.route("/v2/members/{member_id}/guilds/{guild_id}", get(rproxy))
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.route("/v2/members/{member_id}/guilds/{guild_id}", patch(rproxy))
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.route("/v2/systems/{system_id}/autoproxy", get(rproxy))
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.route("/v2/systems/{system_id}/autoproxy", patch(rproxy))
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.route("/v2/messages/{message_id}", get(rproxy))
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.route("/private/bulk_privacy/member", post(rproxy))
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.route("/private/bulk_privacy/group", post(rproxy))
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.route("/private/discord/callback", post(rproxy))
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.route("/private/discord/callback2", post(endpoints::private::discord_callback))
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.route("/private/discord/shard_state", get(endpoints::private::discord_state))
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.route("/private/stats", get(endpoints::private::meta))
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.route("/v2/systems/{system_id}/oembed.json", get(rproxy))
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.route("/v2/members/{member_id}/oembed.json", get(rproxy))
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.route("/v2/groups/{group_id}/oembed.json", get(rproxy))
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.layer(middleware::ratelimit::ratelimiter(middleware::ratelimit::do_request_ratelimited)) // this sucks
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.layer(axum::middleware::from_fn(middleware::ignore_invalid_routes::ignore_invalid_routes))
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.layer(axum::middleware::from_fn(middleware::logger::logger))
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.layer(axum::middleware::from_fn_with_state(ctx.clone(), middleware::params::params))
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.layer(axum::middleware::from_fn_with_state(ctx.clone(), middleware::auth::auth))
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.layer(axum::middleware::from_fn(middleware::cors::cors))
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.layer(tower_http::catch_panic::CatchPanicLayer::custom(util::handle_panic))
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.with_state(ctx)
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.route("/", get(|| async { axum::response::Redirect::to("https://pluralkit.me/api") }))
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}
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#[libpk::main]
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async fn main() -> anyhow::Result<()> {
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let db = libpk::db::init_data_db().await?;
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let redis = libpk::db::init_redis().await?;
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let rproxy_uri = Uri::from_static(
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&libpk::config
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.api
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.as_ref()
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.expect("missing api config")
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.remote_url,
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)
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.to_string();
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let rproxy_client = hyper_util::client::legacy::Client::<(), ()>::builder(TokioExecutor::new())
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.build(HttpConnector::new());
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let ctx = ApiContext {
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db,
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redis,
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rproxy_uri: rproxy_uri[..rproxy_uri.len() - 1].to_string(),
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rproxy_client,
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};
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let app = router(ctx);
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let addr: &str = libpk::config
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.api
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.as_ref()
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.expect("missing api config")
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.addr
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.as_ref();
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let listener = tokio::net::TcpListener::bind(addr).await?;
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info!("listening on {}", addr);
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axum::serve(listener, app).await?;
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Ok(())
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}
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