zed/crates/collab/src/api.rs
2023-09-13 15:02:59 -07:00

184 lines
5.1 KiB
Rust

use crate::{
auth,
db::{User, UserId},
rpc, AppState, Error, Result,
};
use anyhow::anyhow;
use axum::{
body::Body,
extract::{Path, Query},
http::{self, Request, StatusCode},
middleware::{self, Next},
response::IntoResponse,
routing::{get, post},
Extension, Json, Router,
};
use axum_extra::response::ErasedJson;
use serde::{Deserialize, Serialize};
use std::sync::Arc;
use tower::ServiceBuilder;
use tracing::instrument;
pub fn routes(rpc_server: Arc<rpc::Server>, state: Arc<AppState>) -> Router<Body> {
Router::new()
.route("/user", get(get_authenticated_user))
.route("/users/:id/access_tokens", post(create_access_token))
.route("/panic", post(trace_panic))
.route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
.layer(
ServiceBuilder::new()
.layer(Extension(state))
.layer(Extension(rpc_server))
.layer(middleware::from_fn(validate_api_token)),
)
}
pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoResponse {
let token = req
.headers()
.get(http::header::AUTHORIZATION)
.and_then(|header| header.to_str().ok())
.ok_or_else(|| {
Error::Http(
StatusCode::BAD_REQUEST,
"missing authorization header".to_string(),
)
})?
.strip_prefix("token ")
.ok_or_else(|| {
Error::Http(
StatusCode::BAD_REQUEST,
"invalid authorization header".to_string(),
)
})?;
let state = req.extensions().get::<Arc<AppState>>().unwrap();
if token != state.config.api_token {
Err(Error::Http(
StatusCode::UNAUTHORIZED,
"invalid authorization token".to_string(),
))?
}
Ok::<_, Error>(next.run(req).await)
}
#[derive(Debug, Deserialize)]
struct AuthenticatedUserParams {
github_user_id: Option<i32>,
github_login: String,
github_email: Option<String>,
}
#[derive(Debug, Serialize)]
struct AuthenticatedUserResponse {
user: User,
metrics_id: String,
}
async fn get_authenticated_user(
Query(params): Query<AuthenticatedUserParams>,
Extension(app): Extension<Arc<AppState>>,
) -> Result<Json<AuthenticatedUserResponse>> {
let user = app
.db
.get_or_create_user_by_github_account(
&params.github_login,
params.github_user_id,
params.github_email.as_deref(),
)
.await?
.ok_or_else(|| Error::Http(StatusCode::NOT_FOUND, "user not found".into()))?;
let metrics_id = app.db.get_user_metrics_id(user.id).await?;
return Ok(Json(AuthenticatedUserResponse { user, metrics_id }));
}
#[derive(Deserialize, Debug)]
struct CreateUserParams {
github_user_id: i32,
github_login: String,
email_address: String,
email_confirmation_code: Option<String>,
#[serde(default)]
admin: bool,
#[serde(default)]
invite_count: i32,
}
#[derive(Serialize, Debug)]
struct CreateUserResponse {
user: User,
signup_device_id: Option<String>,
metrics_id: String,
}
#[derive(Debug, Deserialize)]
struct Panic {
version: String,
text: String,
}
#[instrument(skip(panic))]
async fn trace_panic(panic: Json<Panic>) -> Result<()> {
tracing::error!(version = %panic.version, text = %panic.text, "panic report");
Ok(())
}
async fn get_rpc_server_snapshot(
Extension(rpc_server): Extension<Arc<rpc::Server>>,
) -> Result<ErasedJson> {
Ok(ErasedJson::pretty(rpc_server.snapshot().await))
}
#[derive(Deserialize)]
struct CreateAccessTokenQueryParams {
public_key: String,
impersonate: Option<String>,
}
#[derive(Serialize)]
struct CreateAccessTokenResponse {
user_id: UserId,
encrypted_access_token: String,
}
async fn create_access_token(
Path(user_id): Path<UserId>,
Query(params): Query<CreateAccessTokenQueryParams>,
Extension(app): Extension<Arc<AppState>>,
) -> Result<Json<CreateAccessTokenResponse>> {
let user = app
.db
.get_user_by_id(user_id)
.await?
.ok_or_else(|| anyhow!("user not found"))?;
let mut user_id = user.id;
if let Some(impersonate) = params.impersonate {
if user.admin {
if let Some(impersonated_user) = app.db.get_user_by_github_login(&impersonate).await? {
user_id = impersonated_user.id;
} else {
return Err(Error::Http(
StatusCode::UNPROCESSABLE_ENTITY,
format!("user {impersonate} does not exist"),
));
}
} else {
return Err(Error::Http(
StatusCode::UNAUTHORIZED,
"you do not have permission to impersonate other users".to_string(),
));
}
}
let access_token = auth::create_access_token(app.db.as_ref(), user_id).await?;
let encrypted_access_token =
auth::encrypt_access_token(&access_token, params.public_key.clone())?;
Ok(Json(CreateAccessTokenResponse {
user_id,
encrypted_access_token,
}))
}