bot/src/server.rs
2026-02-11 00:51:43 +01:00

573 lines
16 KiB
Rust

use axum::{
Json, RequestPartsExt, Router,
extract::{FromRef, FromRequestParts, Path, Query, State},
http::{HeaderValue, StatusCode, request::Parts},
response::IntoResponse,
routing::{get, post},
};
use axum_extra::{
TypedHeader,
extract::cookie::{Cookie, CookieJar, SameSite},
headers::{Authorization, authorization::Bearer},
};
use chrono::Utc;
use sea_orm::{
ActiveModelTrait, Database, DatabaseConnection, EntityTrait, QueryOrder, QuerySelect, Set,
};
use serde::{Deserialize, Serialize};
use std::sync::Arc;
use tower_http::cors::{AllowOrigin, CorsLayer};
use uuid::Uuid;
use crate::agent::Agent;
use crate::entities::task::{self, Entity as Task};
use crate::entities::task_run::{self, Entity as TaskRun};
use crate::scheduler::Scheduler;
use migration::{Migrator, MigratorTrait};
#[derive(Clone)]
pub struct AppState {
pub db: DatabaseConnection,
pub scheduler: Arc<Scheduler>,
pub zen_api_key: Option<String>,
pub tavily_api_key: Option<String>,
pub verifier: Arc<crate::auth::JwksVerifier>,
pub authenticator: Arc<crate::auth::Authenticator>,
}
#[derive(Deserialize)]
pub struct CreateTaskRequest {
pub goal: String,
pub cron: Option<String>,
}
#[derive(Deserialize)]
pub struct UpdateTaskRequest {
pub goal: String,
pub cron: Option<String>,
}
#[derive(Serialize)]
pub struct TaskResponse {
pub id: Uuid,
pub goal: String,
pub cron: Option<String>,
pub created_at: chrono::DateTime<chrono::FixedOffset>,
pub runs: Vec<TaskRunResponse>,
}
#[derive(Serialize)]
pub struct TaskRunResponse {
pub id: Uuid,
pub status: String,
pub logs: String,
pub answer: Option<String>,
pub created_at: chrono::DateTime<chrono::FixedOffset>,
}
#[derive(Serialize)]
pub struct RecentRunResponse {
pub id: Uuid,
pub task_id: Uuid,
pub goal: String,
pub status: String,
pub created_at: chrono::DateTime<chrono::FixedOffset>,
}
pub async fn start(db_url: &str) -> Result<(), Box<dyn std::error::Error>> {
let db = Database::connect(db_url).await?;
Migrator::up(&db, None).await?;
let zen_api_key = std::env::var("ZEN_API_KEY").ok();
let tavily_api_key = std::env::var("TAVILY_API_KEY").ok();
let scheduler =
Arc::new(Scheduler::new(db.clone(), zen_api_key.clone(), tavily_api_key.clone()).await?);
// Load existing scheduled tasks
let existing_tasks = Task::find().all(&db).await?;
for task in existing_tasks {
if let Some(cron) = task.cron {
let _ = scheduler.add_task_job(task.id, &cron).await;
}
}
let authentik_issuer =
std::env::var("AUTHENTIK_ISSUER").map_err(|_| "AUTHENTIK_ISSUER not set")?;
let authentik_client_id =
std::env::var("AUTHENTIK_CLIENT_ID").map_err(|_| "AUTHENTIK_CLIENT_ID not set")?;
let authentik_client_secret =
std::env::var("AUTHENTIK_CLIENT_SECRET").map_err(|_| "AUTHENTIK_CLIENT_SECRET not set")?;
let verifier = Arc::new(
crate::auth::JwksVerifier::new(authentik_issuer.clone(), authentik_client_id.clone())
.await?,
);
let authenticator = Arc::new(
crate::auth::Authenticator::new(
authentik_issuer,
authentik_client_id,
authentik_client_secret,
)
.await?,
);
let state = Arc::new(AppState {
db,
scheduler,
zen_api_key,
tavily_api_key,
verifier,
authenticator,
});
let cors = build_cors_layer();
let app = Router::new()
.route("/api/tasks", post(create_task).get(list_tasks))
.route("/api/tasks/:id", get(get_task).put(update_task))
.route("/api/tasks/:id/runs", post(rerun_task))
.route("/api/runs/recent", get(get_recent_runs))
.route("/api/auth/callback", get(auth_callback))
.route("/api/auth/refresh", post(auth_refresh))
.route("/api/auth/logout", post(auth_logout))
.layer(cors)
.with_state(state);
let port = std::env::var("PORT").unwrap_or_else(|_| "3000".to_string());
let addr = format!("0.0.0.0:{}", port);
let listener = tokio::net::TcpListener::bind(&addr).await?;
println!("Server running on http://localhost:{}", port);
axum::serve(listener, app).await?;
Ok(())
}
fn build_cors_layer() -> CorsLayer {
let origins = std::env::var("CORS_ALLOWED_ORIGINS").ok();
let allow_origin = if let Some(origins) = origins {
let values: Vec<HeaderValue> = origins
.split(',')
.map(|origin| origin.trim())
.filter(|origin| !origin.is_empty())
.filter_map(|origin| HeaderValue::from_str(origin).ok())
.collect();
if values.is_empty() {
AllowOrigin::mirror_request()
} else {
AllowOrigin::list(values)
}
} else {
AllowOrigin::mirror_request()
};
CorsLayer::new()
.allow_origin(allow_origin)
.allow_methods([
axum::http::Method::GET,
axum::http::Method::POST,
axum::http::Method::PUT,
axum::http::Method::PATCH,
axum::http::Method::DELETE,
axum::http::Method::OPTIONS,
])
.allow_headers([
axum::http::header::CONTENT_TYPE,
axum::http::header::AUTHORIZATION,
axum::http::header::ACCEPT,
])
.allow_credentials(true)
}
async fn list_tasks(
_user: AuthenticatedUser,
State(state): State<Arc<AppState>>,
) -> Result<Json<Vec<TaskResponse>>, (StatusCode, String)> {
let tasks = Task::find()
.find_with_related(TaskRun)
.order_by_desc(task::Column::CreatedAt)
.all(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
let response = tasks
.into_iter()
.map(|(t, mut runs)| {
runs.sort_by(|a, b| b.created_at.cmp(&a.created_at));
TaskResponse {
id: t.id,
goal: t.goal,
cron: t.cron,
created_at: t.created_at,
runs: runs
.into_iter()
.map(|r| TaskRunResponse {
id: r.id,
status: r.status,
logs: r.logs,
answer: r.answer,
created_at: r.created_at,
})
.collect(),
}
})
.collect();
Ok(Json(response))
}
async fn create_task(
_user: AuthenticatedUser,
State(state): State<Arc<AppState>>,
Json(payload): Json<CreateTaskRequest>,
) -> Result<Json<TaskResponse>, (StatusCode, String)> {
let task_id = Uuid::new_v4();
// Initial task save
let new_task = task::ActiveModel {
id: Set(task_id),
goal: Set(payload.goal.clone()),
cron: Set(payload.cron.clone()),
created_at: Set(Utc::now().into()),
};
new_task
.insert(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
if let Some(cron) = &payload.cron {
let _ = state.scheduler.add_task_job(task_id, cron).await;
} else {
let _ = state.scheduler.remove_task_job(task_id).await;
}
get_task_inner(task_id, &state).await.map(Json)
}
async fn rerun_task(
_user: AuthenticatedUser,
State(state): State<Arc<AppState>>,
Path(id): Path<Uuid>,
) -> Result<Json<TaskResponse>, (StatusCode, String)> {
let task = Task::find_by_id(id)
.one(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
.ok_or((StatusCode::NOT_FOUND, "Task not found".to_string()))?;
execute_agent_run(state, task.id, task.goal).await
}
async fn execute_agent_run(
state: Arc<AppState>,
task_id: Uuid,
goal: String,
) -> Result<Json<TaskResponse>, (StatusCode, String)> {
let run_id = Uuid::new_v4();
// Initial run save
let new_run = task_run::ActiveModel {
id: Set(run_id),
task_id: Set(task_id),
status: Set("running".to_string()),
logs: Set(String::new()),
answer: Set(None),
created_at: Set(Utc::now().into()),
};
new_run
.insert(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
let mut agent = Agent::new(
state.zen_api_key.clone(),
state.tavily_api_key.clone(),
goal.clone(),
)
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
let (logs, answer, status) = match agent.run().await {
Ok((logs, answer)) => (logs, answer, "completed".to_string()),
Err(e) => (
format!("Execution failed: {}", e),
None,
"failed".to_string(),
),
};
// Update with final logs and status
let mut run: task_run::ActiveModel = TaskRun::find_by_id(run_id)
.one(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
.ok_or((
StatusCode::NOT_FOUND,
"Run not found after insert".to_string(),
))?
.into();
run.logs = Set(logs.clone());
run.answer = Set(answer.clone());
run.status = Set(status);
run.update(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
get_task_inner(task_id, &state).await.map(Json)
}
async fn update_task(
_user: AuthenticatedUser,
State(state): State<Arc<AppState>>,
Path(id): Path<Uuid>,
Json(payload): Json<UpdateTaskRequest>,
) -> Result<Json<TaskResponse>, (StatusCode, String)> {
let mut task: task::ActiveModel = Task::find_by_id(id)
.one(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
.ok_or((StatusCode::NOT_FOUND, "Task not found".to_string()))?
.into();
task.goal = Set(payload.goal.clone());
task.cron = Set(payload.cron.clone());
task.update(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
if let Some(cron) = &payload.cron {
let _ = state.scheduler.add_task_job(id, cron).await;
} else {
let _ = state.scheduler.remove_task_job(id).await;
}
get_task_inner(id, &state).await.map(Json)
}
#[allow(dead_code)]
pub struct AuthenticatedUser(pub crate::auth::Claims);
#[axum::async_trait]
impl<S> FromRequestParts<S> for AuthenticatedUser
where
Arc<AppState>: axum::extract::FromRef<S>,
S: Send + Sync,
{
type Rejection = (StatusCode, String);
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
let app_state = Arc::<AppState>::from_ref(state);
let token = if let Ok(TypedHeader(Authorization(bearer))) =
parts.extract::<TypedHeader<Authorization<Bearer>>>().await
{
Some(bearer.token().to_string())
} else {
let jar = parts.extract::<CookieJar>().await.unwrap();
jar.get("access_token")
.map(|cookie| cookie.value().to_string())
};
let token = token.ok_or((
StatusCode::UNAUTHORIZED,
"Missing or invalid access token".to_string(),
))?;
let claims = app_state.verifier.verify(&token).await.map_err(|e| {
(
StatusCode::UNAUTHORIZED,
format!("Token verification failed: {}", e),
)
})?;
Ok(AuthenticatedUser(claims))
}
}
#[derive(Deserialize)]
pub struct AuthCallbackQuery {
pub code: String,
pub redirect_uri: String,
}
#[derive(Deserialize)]
struct RefreshRequest {
refresh_token: Option<String>,
}
async fn auth_refresh(
State(state): State<Arc<AppState>>,
jar: CookieJar,
Json(payload): Json<RefreshRequest>,
) -> Result<impl IntoResponse, (StatusCode, String)> {
let refresh_token = payload
.refresh_token
.filter(|token| !token.is_empty())
.or_else(|| {
jar.get("refresh_token")
.map(|cookie| cookie.value().to_string())
})
.ok_or((
StatusCode::UNAUTHORIZED,
"Missing refresh token".to_string(),
))?;
let data = state
.authenticator
.refresh_token(refresh_token)
.await
.map_err(|e| (StatusCode::UNAUTHORIZED, e.to_string()))?;
let jar = update_auth_cookies(jar, &data);
Ok((jar, Json(data)))
}
async fn auth_callback(
State(state): State<Arc<AppState>>,
jar: CookieJar,
Query(query): Query<AuthCallbackQuery>,
) -> Result<impl IntoResponse, (StatusCode, String)> {
let data = state
.authenticator
.exchange_code(query.code, query.redirect_uri)
.await
.map_err(|e| {
(
StatusCode::INTERNAL_SERVER_ERROR,
format!("Token exchange failed: {}", e),
)
})?;
let jar = update_auth_cookies(jar, &data);
Ok((jar, Json(data)))
}
async fn auth_logout(jar: CookieJar) -> impl IntoResponse {
let jar = clear_auth_cookies(jar);
(jar, StatusCode::NO_CONTENT)
}
fn secure() -> bool {
std::env::var("COOKIE_SECURE")
.map(|value| value == "true")
.unwrap_or(false)
}
fn update_auth_cookies(jar: CookieJar, data: &serde_json::Value) -> CookieJar {
let access_token = data.get("access_token");
let refresh_token = data.get("refresh_token");
let mut jar = jar;
if let Some(token) = access_token.and_then(|t| t.as_str()) {
let cookie = Cookie::build(("access_token", token.to_owned()))
.path("/")
.http_only(true)
.same_site(SameSite::Lax)
.secure(secure())
.build();
jar = jar.add(cookie);
}
if let Some(token) = refresh_token.and_then(|t| t.as_str()) {
let cookie = Cookie::build(("refresh_token", token.to_owned()))
.path("/")
.http_only(true)
.same_site(SameSite::Lax)
.secure(secure())
.build();
jar = jar.add(cookie);
}
jar
}
fn clear_auth_cookies(jar: CookieJar) -> CookieJar {
let mut jar = jar;
for name in ["access_token", "refresh_token"] {
let cookie = Cookie::build((name, ""))
.path("/")
.http_only(true)
.same_site(SameSite::Lax)
.secure(secure())
.max_age(cookie::time::Duration::seconds(0))
.build();
jar = jar.add(cookie);
}
jar
}
async fn get_task(
_user: AuthenticatedUser,
Path(id): Path<Uuid>,
State(state): State<Arc<AppState>>,
) -> Result<Json<TaskResponse>, (StatusCode, String)> {
get_task_inner(id, &state).await.map(Json)
}
async fn get_task_inner(id: Uuid, state: &AppState) -> Result<TaskResponse, (StatusCode, String)> {
let results = Task::find_by_id(id)
.find_with_related(TaskRun)
.all(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
let (t, mut runs) = results
.into_iter()
.next()
.ok_or((StatusCode::NOT_FOUND, "Task not found".to_string()))?;
runs.sort_by(|a, b| b.created_at.cmp(&a.created_at));
Ok(TaskResponse {
id: t.id,
goal: t.goal,
cron: t.cron,
created_at: t.created_at,
runs: runs
.into_iter()
.map(|r| TaskRunResponse {
id: r.id,
status: r.status,
logs: r.logs,
answer: r.answer,
created_at: r.created_at,
})
.collect(),
})
}
async fn get_recent_runs(
_user: AuthenticatedUser,
State(state): State<Arc<AppState>>,
) -> Result<Json<Vec<RecentRunResponse>>, (StatusCode, String)> {
let results = TaskRun::find()
.find_also_related(Task)
.order_by_desc(task_run::Column::CreatedAt)
.limit(50)
.all(&state.db)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
let response = results
.into_iter()
.filter_map(|(run, task_opt)| {
task_opt.map(|task| RecentRunResponse {
id: run.id,
task_id: run.task_id,
goal: task.goal,
status: run.status,
created_at: run.created_at,
})
})
.collect();
Ok(Json(response))
}